From fd6627cd65d83bbee7e27585a012d7bdd5252076 Mon Sep 17 00:00:00 2001
From: Thomas Hardy <thomas.hardy@temporal.io>
Date: Tue, 11 Nov 2025 20:28:00 -0800
Subject: [PATCH 1/3] update samples to use env config to configure clients

---
 .../package.json                               |  1 +
 .../src/client.ts                              |  4 +++-
 activities-dependency-injection/package.json   |  1 +
 activities-dependency-injection/src/client.ts  |  7 +++++--
 activities-examples/package.json               |  1 +
 activities-examples/src/client.ts              |  7 +++++--
 child-workflows/package.json                   |  1 +
 child-workflows/src/client.ts                  |  7 +++++--
 continue-as-new/package.json                   |  1 +
 continue-as-new/src/client.ts                  |  7 +++++--
 cron-workflows/package.json                    |  1 +
 cron-workflows/src/client.ts                   | 11 ++++++++---
 custom-logger/package.json                     |  1 +
 custom-logger/src/client.ts                    | 12 ++++--------
 dsl-interpreter/package.json                   |  1 +
 dsl-interpreter/src/client.ts                  |  7 +++++--
 eager-workflow-start/package.json              |  1 +
 eager-workflow-start/src/run.ts                |  4 +++-
 early-return/package.json                      |  1 +
 early-return/src/run-workflow.ts               |  4 +++-
 ejson/package.json                             |  1 +
 ejson/src/client.ts                            |  6 +++++-
 empty/package.json                             |  1 +
 empty/src/client.ts                            | 16 ++++------------
 encryption/package.json                        |  1 +
 encryption/src/client.ts                       |  6 +++++-
 expense/package.json                           |  1 +
 expense/src/clients/approve.ts                 |  7 +++++--
 expense/src/clients/timeout.ts                 |  7 +++++--
 fetch-esm/package.json                         |  1 +
 fetch-esm/src/client.ts                        |  7 +++++--
 grpc-calls/package.json                        |  1 +
 grpc-calls/src/client.ts                       |  4 +++-
 hello-world-js/package.json                    |  1 +
 hello-world-js/src/client.js                   | 11 +++--------
 hello-world/package.json                       |  1 +
 hello-world/src/client.ts                      | 16 ++++------------
 interceptors-opentelemetry/package.json        |  1 +
 interceptors-opentelemetry/src/client.ts       |  5 +++--
 message-passing/execute-update/package.json    |  1 +
 message-passing/execute-update/src/client.ts   |  4 +++-
 message-passing/introduction/package.json      |  1 +
 message-passing/introduction/src/client.ts     |  4 +++-
 .../safe-message-handlers/package.json         |  1 +
 .../safe-message-handlers/src/client.ts        |  4 +++-
 mutex/package.json                             |  1 +
 mutex/src/start-test-workflow.ts               |  5 +++--
 nextjs-ecommerce-oneclick/package.json         |  1 +
 .../temporal/src/client.ts                     |  7 +++----
 nexus-cancellation/package.json                |  1 +
 nexus-cancellation/src/starter.ts              |  4 +++-
 nexus-hello/package.json                       |  1 +
 nexus-hello/src/starter.ts                     |  4 +++-
 patching-api/package.json                      |  1 +
 patching-api/src/client.ts                     |  7 +++++--
 pnpm-lock.yaml                                 | 18 ++++++++++++++++++
 polling/infrequent/package.json                |  1 +
 polling/infrequent/src/client.ts               |  4 +++-
 production/package.json                        |  1 +
 production/src/client.ts                       | 12 ++++--------
 protobufs/package.json                         |  1 +
 protobufs/src/client.ts                        |  6 +++++-
 query-subscriptions/package.json               |  1 +
 query-subscriptions/src/subscribe.ts           |  7 +++++--
 saga/package.json                              |  1 +
 saga/src/client.ts                             |  9 ++++-----
 schedules/package.json                         |  1 +
 schedules/src/start-schedule.ts                |  7 ++++---
 scratchpad/package.json                        |  1 +
 scratchpad/scratchpad.ts                       |  4 +++-
 search-attributes/package.json                 |  1 +
 search-attributes/src/client.ts                |  7 +++++--
 signals-queries/package.json                   |  1 +
 signals-queries/src/cancel-workflow.ts         |  7 +++++--
 signals-queries/src/query-workflow.ts          |  7 +++++--
 signals-queries/src/signal-workflow.ts         |  7 +++++--
 signals-queries/src/start-workflow.ts          |  7 +++++--
 sinks/package.json                             |  1 +
 sinks/src/client.ts                            | 12 ++++--------
 sleep-for-days/package.json                    |  1 +
 sleep-for-days/src/client.ts                   |  4 +++-
 snippets/package.json                          |  1 +
 snippets/src/client.ts                         | 11 ++++++++---
 state/package.json                             |  1 +
 state/src/cancel-workflow.ts                   |  7 +++++--
 state/src/query-workflow.ts                    |  7 +++++--
 state/src/signal-workflow.ts                   |  7 +++++--
 state/src/start-workflow.ts                    |  7 +++++--
 timer-examples/package.json                    |  1 +
 timer-examples/src/clients/fast.ts             |  7 +++++--
 timer-examples/src/clients/slow.ts             |  7 +++++--
 timer-examples/src/clients/updating-timer.ts   |  7 +++++--
 timer-progress/package.json                    |  1 +
 timer-progress/src/client.ts                   |  7 +++++--
 vscode-debugger/package.json                   |  1 +
 vscode-debugger/src/client.ts                  |  7 +++++--
 worker-specific-task-queues/package.json       |  1 +
 worker-specific-task-queues/src/client.ts      |  4 +++-
 worker-versioning/package.json                 |  1 +
 worker-versioning/src/app.ts                   |  7 +++++--
 100 files changed, 298 insertions(+), 144 deletions(-)

diff --git a/activities-cancellation-heartbeating/package.json b/activities-cancellation-heartbeating/package.json
index 5e1e375e..092cbda0 100644
--- a/activities-cancellation-heartbeating/package.json
+++ b/activities-cancellation-heartbeating/package.json
@@ -24,6 +24,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2"
   },
diff --git a/activities-cancellation-heartbeating/src/client.ts b/activities-cancellation-heartbeating/src/client.ts
index b7146f52..1d97f3ab 100644
--- a/activities-cancellation-heartbeating/src/client.ts
+++ b/activities-cancellation-heartbeating/src/client.ts
@@ -1,9 +1,11 @@
 import { Connection, Client, WorkflowFailedError, CancelledFailure } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { runCancellableActivity } from './workflows';
 import { setTimeout } from 'timers/promises';
 
 async function run() {
-  const connection = await Connection.connect();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
   const client = new Client({ connection });
 
   const handle = await client.workflow.start(runCancellableActivity, {
diff --git a/activities-dependency-injection/package.json b/activities-dependency-injection/package.json
index ee5f6137..30f8f15e 100644
--- a/activities-dependency-injection/package.json
+++ b/activities-dependency-injection/package.json
@@ -24,6 +24,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2"
   },
diff --git a/activities-dependency-injection/src/client.ts b/activities-dependency-injection/src/client.ts
index 75cf5531..c118b37d 100644
--- a/activities-dependency-injection/src/client.ts
+++ b/activities-dependency-injection/src/client.ts
@@ -1,8 +1,11 @@
-import { Client } from '@temporalio/client';
+import { Client, Connection } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { dependencyWF } from './workflows';
 
 async function run(): Promise<void> {
-  const client = new Client();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
 
   const result = await client.workflow.execute(dependencyWF, {
     taskQueue: 'dependency-injection',
diff --git a/activities-examples/package.json b/activities-examples/package.json
index fcb4a601..a30b7222 100644
--- a/activities-examples/package.json
+++ b/activities-examples/package.json
@@ -29,6 +29,7 @@
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
     "@temporalio/common": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2",
     "axios": "^0.28.0",
diff --git a/activities-examples/src/client.ts b/activities-examples/src/client.ts
index 18193f0e..2d054803 100644
--- a/activities-examples/src/client.ts
+++ b/activities-examples/src/client.ts
@@ -1,8 +1,11 @@
-import { Client } from '@temporalio/client';
+import { Client, Connection } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { asyncActivityWorkflow, httpWorkflow } from './workflows';
 
 async function run(): Promise<void> {
-  const client = new Client();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
 
   let result = await client.workflow.execute(httpWorkflow, {
     taskQueue: 'activities-examples',
diff --git a/child-workflows/package.json b/child-workflows/package.json
index dfafe234..8bbe77f6 100644
--- a/child-workflows/package.json
+++ b/child-workflows/package.json
@@ -24,6 +24,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2"
   },
diff --git a/child-workflows/src/client.ts b/child-workflows/src/client.ts
index 85b01d1f..acc5faf5 100644
--- a/child-workflows/src/client.ts
+++ b/child-workflows/src/client.ts
@@ -1,8 +1,11 @@
-import { Client } from '@temporalio/client';
+import { Client, Connection } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { parentWorkflow } from './workflows';
 
 async function run() {
-  const client = new Client();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
 
   const result = await client.workflow.execute(parentWorkflow, {
     taskQueue: 'child-workflows',
diff --git a/continue-as-new/package.json b/continue-as-new/package.json
index 88cc4bea..3bb93a25 100644
--- a/continue-as-new/package.json
+++ b/continue-as-new/package.json
@@ -24,6 +24,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2"
   },
diff --git a/continue-as-new/src/client.ts b/continue-as-new/src/client.ts
index 04b26b3b..d7426289 100644
--- a/continue-as-new/src/client.ts
+++ b/continue-as-new/src/client.ts
@@ -1,8 +1,11 @@
-import { Client } from '@temporalio/client';
+import { Client, Connection } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { loopingWorkflow } from './workflows';
 
 async function run() {
-  const client = new Client();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
 
   const result = await client.workflow.execute(loopingWorkflow, { taskQueue: 'continue-as-new', workflowId: 'loop-0' });
   console.log(result); // Hello, Temporal!
diff --git a/cron-workflows/package.json b/cron-workflows/package.json
index e6875ccd..f4b6a573 100644
--- a/cron-workflows/package.json
+++ b/cron-workflows/package.json
@@ -24,6 +24,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2"
   },
diff --git a/cron-workflows/src/client.ts b/cron-workflows/src/client.ts
index 629e8b08..122c970c 100644
--- a/cron-workflows/src/client.ts
+++ b/cron-workflows/src/client.ts
@@ -1,11 +1,14 @@
-import { Client } from '@temporalio/client';
+import { Client, Connection } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { scheduledWorkflow } from './workflows';
 
 // Save this to later terminate or cancel this schedule
 const workflowId = 'my-schedule';
 
 async function run() {
-  const client = new Client();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
 
   const handle = await client.workflow.start(scheduledWorkflow, {
     taskQueue: 'cron-workflows',
@@ -24,7 +27,9 @@ async function run() {
 
 // just for this demo - cancel the workflow on Ctrl+C
 process.on('SIGINT', async () => {
-  const client = new Client();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
 
   const handle = client.workflow.getHandle(workflowId);
   await handle.cancel();
diff --git a/custom-logger/package.json b/custom-logger/package.json
index f0ea091d..804351d4 100644
--- a/custom-logger/package.json
+++ b/custom-logger/package.json
@@ -24,6 +24,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2",
     "nanoid": "3.x",
diff --git a/custom-logger/src/client.ts b/custom-logger/src/client.ts
index 2a416eca..b6932a41 100644
--- a/custom-logger/src/client.ts
+++ b/custom-logger/src/client.ts
@@ -1,16 +1,12 @@
 import { nanoid } from 'nanoid';
 import { Connection, Client } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { logSampleWorkflow } from './workflows';
 
 async function run() {
-  const connection = await Connection.connect(); // Connect to localhost with default ConnectionOptions.
-  // In production, pass options to the Connection constructor to configure TLS and other settings.
-  // This is optional but we leave this here to remind you there is a gRPC connection being established.
-
-  const client = new Client({
-    connection,
-    // In production you will likely specify `namespace` here; it is 'default' if omitted
-  });
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
 
   // Invoke the `logSampleWorkflow` Workflow, only resolved when the workflow completes
   await client.workflow.execute(logSampleWorkflow, {
diff --git a/dsl-interpreter/package.json b/dsl-interpreter/package.json
index 3be10bab..b81b54d3 100644
--- a/dsl-interpreter/package.json
+++ b/dsl-interpreter/package.json
@@ -25,6 +25,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2",
     "js-yaml": "^4.1.0"
diff --git a/dsl-interpreter/src/client.ts b/dsl-interpreter/src/client.ts
index cda4beab..4435cc26 100644
--- a/dsl-interpreter/src/client.ts
+++ b/dsl-interpreter/src/client.ts
@@ -1,4 +1,5 @@
-import { Client } from '@temporalio/client';
+import { Client, Connection } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { DSLInterpreter, DSL } from './workflows';
 import yaml from 'js-yaml';
 import fs from 'fs';
@@ -23,7 +24,9 @@ async function run() {
   if (path) {
     dslInput = yaml.load((await fs.promises.readFile(path)).toString()) as DSL;
   }
-  const client = new Client(); // remember to configure Connection for production
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
 
   // Invoke the `DSLInterpreter` Workflow, only resolved when the workflow completes
   const result = await client.workflow.execute(DSLInterpreter, {
diff --git a/eager-workflow-start/package.json b/eager-workflow-start/package.json
index ebc71c56..9689016d 100644
--- a/eager-workflow-start/package.json
+++ b/eager-workflow-start/package.json
@@ -24,6 +24,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2",
     "nanoid": "3.x"
diff --git a/eager-workflow-start/src/run.ts b/eager-workflow-start/src/run.ts
index 983599a2..d0d751b9 100644
--- a/eager-workflow-start/src/run.ts
+++ b/eager-workflow-start/src/run.ts
@@ -1,12 +1,14 @@
 import { Client } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { eagerWorkflow } from './workflows';
 import { nanoid } from 'nanoid';
 import { NativeConnection, Worker } from '@temporalio/worker';
 import * as activities from './activities';
 
 async function run() {
+  const config = loadClientConnectConfig();
   // Note that the client and worker share the same native connection and run in the same process.
-  const sharedNativeConnection = await NativeConnection.connect({ address: 'localhost:7233' });
+  const sharedNativeConnection = await NativeConnection.connect(config.connectionOptions);
 
   const client = new Client({
     connection: sharedNativeConnection,
diff --git a/early-return/package.json b/early-return/package.json
index 65546acd..af72e721 100644
--- a/early-return/package.json
+++ b/early-return/package.json
@@ -23,6 +23,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2",
     "nanoid": "3.x"
diff --git a/early-return/src/run-workflow.ts b/early-return/src/run-workflow.ts
index e7bad5a6..200d5982 100644
--- a/early-return/src/run-workflow.ts
+++ b/early-return/src/run-workflow.ts
@@ -1,4 +1,5 @@
 import { Connection, Client, WithStartWorkflowOperation } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { transactionWorkflow } from './workflows';
 import { getTransactionConfirmation } from './shared';
 
@@ -21,7 +22,8 @@ async function runTransactionWorkflow(transactionID: string, client: Client) {
 }
 
 async function main() {
-  const connection = await Connection.connect();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
   const client = new Client({ connection });
   const transactionID = process.argv[2] || 'my-transaction-id';
   await runTransactionWorkflow(transactionID, client);
diff --git a/ejson/package.json b/ejson/package.json
index 2b912a6c..0f781a14 100644
--- a/ejson/package.json
+++ b/ejson/package.json
@@ -24,6 +24,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/common": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2",
diff --git a/ejson/src/client.ts b/ejson/src/client.ts
index 4a7ae184..a3d380a0 100644
--- a/ejson/src/client.ts
+++ b/ejson/src/client.ts
@@ -1,11 +1,15 @@
-import { Client } from '@temporalio/client';
+import { Client, Connection } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { v4 as uuid } from 'uuid';
 import type { Result, User } from './types';
 import { example } from './workflows';
 
 async function run() {
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
   // @@@SNIPSTART typescript-ejson-client-setup
   const client = new Client({
+    connection,
     dataConverter: { payloadConverterPath: require.resolve('./payload-converter') },
   });
   // @@@SNIPEND
diff --git a/empty/package.json b/empty/package.json
index 36b5b40a..882de7ac 100644
--- a/empty/package.json
+++ b/empty/package.json
@@ -25,6 +25,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2",
     "nanoid": "3.x"
diff --git a/empty/src/client.ts b/empty/src/client.ts
index 189dea03..0a97f8fc 100644
--- a/empty/src/client.ts
+++ b/empty/src/client.ts
@@ -1,5 +1,6 @@
 // @@@SNIPSTART typescript-hello-client
 import { Connection, Client } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { nanoid } from 'nanoid';
 import { TASK_QUEUE_NAME } from './shared';
 
@@ -7,18 +8,9 @@ import { TASK_QUEUE_NAME } from './shared';
 import { YOUR_WORKFLOW } from './workflows';
 
 async function run() {
-  // Connect to the default Server location
-  const connection = await Connection.connect({ address: 'localhost:7233' });
-  // In production, pass options to configure TLS and other settings:
-  // {
-  //   address: 'foo.bar.tmprl.cloud',
-  //   tls: {}
-  // }
-
-  const client = new Client({
-    connection,
-    // namespace: 'foo.bar', // connects to 'default' namespace if not specified
-  });
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
 
   const handle = await client.workflow.start(YOUR_WORKFLOW, {
     taskQueue: TASK_QUEUE_NAME,
diff --git a/encryption/package.json b/encryption/package.json
index 82409d5e..e6caa51f 100644
--- a/encryption/package.json
+++ b/encryption/package.json
@@ -25,6 +25,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/common": "^1.13.2",
     "@temporalio/proto": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
diff --git a/encryption/src/client.ts b/encryption/src/client.ts
index 6f222634..6c8274ef 100644
--- a/encryption/src/client.ts
+++ b/encryption/src/client.ts
@@ -1,11 +1,15 @@
-import { Client } from '@temporalio/client';
+import { Client, Connection } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { v4 as uuid } from 'uuid';
 import { getDataConverter } from './data-converter';
 import { example } from './workflows';
 
 async function run() {
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
   // @@@SNIPSTART typescript-encryption-client
   const client = new Client({
+    connection,
     dataConverter: await getDataConverter(),
   });
 
diff --git a/expense/package.json b/expense/package.json
index 89e0b5f5..b411b0b7 100644
--- a/expense/package.json
+++ b/expense/package.json
@@ -27,6 +27,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2",
     "@temporalio/common": "^1.13.2",
diff --git a/expense/src/clients/approve.ts b/expense/src/clients/approve.ts
index 00217ad0..a8a3e40c 100644
--- a/expense/src/clients/approve.ts
+++ b/expense/src/clients/approve.ts
@@ -1,9 +1,12 @@
-import { Client } from '@temporalio/client';
+import { Client, Connection } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { expense, approveSignal } from '../workflows';
 import { setTimeout } from 'timers/promises';
 
 async function run() {
-  const client = new Client();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
 
   const expenseId = 'my-business-id';
   const handle = await client.workflow.start(expense, {
diff --git a/expense/src/clients/timeout.ts b/expense/src/clients/timeout.ts
index 42d94584..36696870 100644
--- a/expense/src/clients/timeout.ts
+++ b/expense/src/clients/timeout.ts
@@ -1,8 +1,11 @@
-import { Client } from '@temporalio/client';
+import { Client, Connection } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { expense } from '../workflows';
 
 async function run() {
-  const client = new Client();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
 
   const expenseId = 'my-business-id';
   const result = await client.workflow.execute(expense, {
diff --git a/fetch-esm/package.json b/fetch-esm/package.json
index 7867d334..91722bda 100644
--- a/fetch-esm/package.json
+++ b/fetch-esm/package.json
@@ -25,6 +25,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2"
   },
diff --git a/fetch-esm/src/client.ts b/fetch-esm/src/client.ts
index 60167c71..890b6a21 100644
--- a/fetch-esm/src/client.ts
+++ b/fetch-esm/src/client.ts
@@ -1,8 +1,11 @@
 // @@@SNIPSTART typescript-esm-client
-import { Client } from '@temporalio/client';
+import { Client, Connection } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { example } from './workflows.js';
 
-const client = new Client();
+const config = loadClientConnectConfig();
+const connection = await Connection.connect(config.connectionOptions);
+const client = new Client({ connection });
 const result = await client.workflow.execute(example, {
   taskQueue: 'fetch-esm',
   workflowId: 'my-business-id',
diff --git a/grpc-calls/package.json b/grpc-calls/package.json
index 7954d049..a7bed332 100644
--- a/grpc-calls/package.json
+++ b/grpc-calls/package.json
@@ -24,6 +24,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/common": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2",
diff --git a/grpc-calls/src/client.ts b/grpc-calls/src/client.ts
index f95b7135..31ca19a8 100644
--- a/grpc-calls/src/client.ts
+++ b/grpc-calls/src/client.ts
@@ -1,4 +1,5 @@
 import { Connection } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { defaultPayloadConverter } from '@temporalio/common';
 import { nanoid } from 'nanoid';
 import { setTimeout } from 'timers/promises';
@@ -6,7 +7,8 @@ import { setTimeout } from 'timers/promises';
 async function run() {
   const workflowId = 'workflow-' + nanoid();
   const requestId = 'request-' + nanoid();
-  const connection = await Connection.connect();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
 
   // // normal way of starting a Workflow, with a Client
   // const client = new Client({ connection });
diff --git a/hello-world-js/package.json b/hello-world-js/package.json
index 41252a4c..2db6fcf5 100644
--- a/hello-world-js/package.json
+++ b/hello-world-js/package.json
@@ -19,6 +19,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2"
   },
diff --git a/hello-world-js/src/client.js b/hello-world-js/src/client.js
index 1ef2dd88..3eac17f1 100644
--- a/hello-world-js/src/client.js
+++ b/hello-world-js/src/client.js
@@ -1,17 +1,12 @@
 import { Connection, Client } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { example } from './workflows.js';
 
 async function run() {
-  const connection = await Connection.connect({
-    // // Connect to localhost with default ConnectionOptions.
-    // // In production, pass options to the Connection constructor to configure TLS and other settings:
-    // address: 'foo.bar.tmprl.cloud', // as provisioned
-    // tls: {} // as provisioned
-  });
-
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
   const client = new Client({
     connection,
-    // namespace: 'default', // change if you have a different namespace
   });
 
   // Invoke the `example` Workflow, only resolved when the workflow completes
diff --git a/hello-world/package.json b/hello-world/package.json
index 782ddd41..89501052 100644
--- a/hello-world/package.json
+++ b/hello-world/package.json
@@ -25,6 +25,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2",
     "nanoid": "3.x"
diff --git a/hello-world/src/client.ts b/hello-world/src/client.ts
index 902504d9..551c887b 100644
--- a/hello-world/src/client.ts
+++ b/hello-world/src/client.ts
@@ -1,21 +1,13 @@
 // @@@SNIPSTART typescript-hello-client
 import { Connection, Client } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { example } from './workflows';
 import { nanoid } from 'nanoid';
 
 async function run() {
-  // Connect to the default Server location
-  const connection = await Connection.connect({ address: 'localhost:7233' });
-  // In production, pass options to configure TLS and other settings:
-  // {
-  //   address: 'foo.bar.tmprl.cloud',
-  //   tls: {}
-  // }
-
-  const client = new Client({
-    connection,
-    // namespace: 'foo.bar', // connects to 'default' namespace if not specified
-  });
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
 
   const handle = await client.workflow.start(example, {
     taskQueue: 'hello-world',
diff --git a/interceptors-opentelemetry/package.json b/interceptors-opentelemetry/package.json
index d470f3f3..0eca6b04 100644
--- a/interceptors-opentelemetry/package.json
+++ b/interceptors-opentelemetry/package.json
@@ -36,6 +36,7 @@
     "@opentelemetry/semantic-conventions": "^1.28.0",
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/interceptors-opentelemetry": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2"
diff --git a/interceptors-opentelemetry/src/client.ts b/interceptors-opentelemetry/src/client.ts
index 647a5a81..5203a072 100644
--- a/interceptors-opentelemetry/src/client.ts
+++ b/interceptors-opentelemetry/src/client.ts
@@ -1,11 +1,12 @@
 import { randomUUID } from 'crypto';
 import { OpenTelemetryWorkflowClientInterceptor } from '@temporalio/interceptors-opentelemetry';
 import { Connection, Client } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { example } from './workflows';
 
 async function run() {
-  // Connect to localhost with default ConnectionOptions.
-  const connection = await Connection.connect();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
 
   // Attach the OpenTelemetryWorkflowClientInterceptor to the client.
   const client = new Client({
diff --git a/message-passing/execute-update/package.json b/message-passing/execute-update/package.json
index d24f06ef..49d05d38 100644
--- a/message-passing/execute-update/package.json
+++ b/message-passing/execute-update/package.json
@@ -25,6 +25,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2",
     "nanoid": "3.x"
diff --git a/message-passing/execute-update/src/client.ts b/message-passing/execute-update/src/client.ts
index f0563856..58102164 100644
--- a/message-passing/execute-update/src/client.ts
+++ b/message-passing/execute-update/src/client.ts
@@ -1,10 +1,12 @@
 // @@@SNIPSTART typescript-update-client
 import { Connection, Client } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { counter, fetchAndAdd, done } from './workflows';
 import { nanoid } from 'nanoid';
 
 async function run() {
-  const connection = await Connection.connect({ address: 'localhost:7233' });
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
   const client = new Client({ connection });
 
   const handle = await client.workflow.start(counter, {
diff --git a/message-passing/introduction/package.json b/message-passing/introduction/package.json
index 495e8345..806b978c 100644
--- a/message-passing/introduction/package.json
+++ b/message-passing/introduction/package.json
@@ -25,6 +25,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2",
     "async-mutex": "^0.5.0",
diff --git a/message-passing/introduction/src/client.ts b/message-passing/introduction/src/client.ts
index 3f1a3d0b..3e132de5 100644
--- a/message-passing/introduction/src/client.ts
+++ b/message-passing/introduction/src/client.ts
@@ -1,11 +1,13 @@
 // @@@SNIPSTART typescript-message-passing-introduction
 import * as cl from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import * as greetingWorkflow from './workflows';
 import { Language } from './workflows';
 import { nanoid } from 'nanoid';
 
 export async function run() {
-  const connection = await cl.Connection.connect({ address: 'localhost:7233' });
+  const config = loadClientConnectConfig();
+  const connection = await cl.Connection.connect(config.connectionOptions);
   const client = new cl.Client({ connection });
   const handle = await client.workflow.start(greetingWorkflow.greetingWorkflow, {
     taskQueue: 'my-task-queue',
diff --git a/message-passing/safe-message-handlers/package.json b/message-passing/safe-message-handlers/package.json
index 43cbdb16..d6c7fabc 100644
--- a/message-passing/safe-message-handlers/package.json
+++ b/message-passing/safe-message-handlers/package.json
@@ -25,6 +25,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2",
     "async-mutex": "^0.5.0",
diff --git a/message-passing/safe-message-handlers/src/client.ts b/message-passing/safe-message-handlers/src/client.ts
index 8ba05a6c..46717ebc 100644
--- a/message-passing/safe-message-handlers/src/client.ts
+++ b/message-passing/safe-message-handlers/src/client.ts
@@ -1,10 +1,12 @@
 import { Connection, Client, WorkflowHandle } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { nanoid } from 'nanoid';
 
 import { clusterManagerWorkflow } from './workflows';
 
 export async function startClusterManager(): Promise<WorkflowHandle<typeof clusterManagerWorkflow>> {
-  const connection = await Connection.connect({ address: 'localhost:7233' });
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
   const client = new Client({ connection });
   return client.workflow.start(clusterManagerWorkflow, {
     taskQueue: 'safe-message-handlers-task-queue',
diff --git a/mutex/package.json b/mutex/package.json
index df421e67..44399e44 100644
--- a/mutex/package.json
+++ b/mutex/package.json
@@ -25,6 +25,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2",
     "nanoid": "3.x"
diff --git a/mutex/src/start-test-workflow.ts b/mutex/src/start-test-workflow.ts
index 6c7a5517..8213c1b0 100644
--- a/mutex/src/start-test-workflow.ts
+++ b/mutex/src/start-test-workflow.ts
@@ -1,4 +1,5 @@
 import { Connection, Client } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { oneAtATimeWorkflow } from './workflows';
 import { nanoid } from 'nanoid';
 
@@ -8,8 +9,8 @@ if (!resourceId) {
 }
 
 async function run() {
-  const connection = await Connection.connect();
-
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
   const client = new Client({ connection });
 
   const workflowId = 'test-' + nanoid();
diff --git a/nextjs-ecommerce-oneclick/package.json b/nextjs-ecommerce-oneclick/package.json
index 764f00aa..b7815f6d 100644
--- a/nextjs-ecommerce-oneclick/package.json
+++ b/nextjs-ecommerce-oneclick/package.json
@@ -21,6 +21,7 @@
     "@tailwindcss/forms": "^0.3.3",
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2",
     "next": "latest",
diff --git a/nextjs-ecommerce-oneclick/temporal/src/client.ts b/nextjs-ecommerce-oneclick/temporal/src/client.ts
index aa575d84..2ffb3538 100644
--- a/nextjs-ecommerce-oneclick/temporal/src/client.ts
+++ b/nextjs-ecommerce-oneclick/temporal/src/client.ts
@@ -1,12 +1,11 @@
 import { Client, Connection } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 
 const client: Client = makeClient();
 
 function makeClient(): Client {
-  const connection = Connection.lazy({
-    address: 'localhost:7233',
-    // In production, pass options to configure TLS and other settings.
-  });
+  const config = loadClientConnectConfig();
+  const connection = Connection.lazy(config.connectionOptions);
   return new Client({ connection });
 }
 
diff --git a/nexus-cancellation/package.json b/nexus-cancellation/package.json
index ad5b9e25..8b741c57 100644
--- a/nexus-cancellation/package.json
+++ b/nexus-cancellation/package.json
@@ -26,6 +26,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/nexus": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2",
diff --git a/nexus-cancellation/src/starter.ts b/nexus-cancellation/src/starter.ts
index eafb63e0..21b6d3f4 100644
--- a/nexus-cancellation/src/starter.ts
+++ b/nexus-cancellation/src/starter.ts
@@ -1,12 +1,14 @@
 import { nanoid } from 'nanoid';
 import { Connection, Client, WorkflowFailedError } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { cancellableCallerWorkflow, cancellableCallerWorkflowCancel } from './caller/workflows';
 import { isCancellation } from '@temporalio/workflow';
 
 async function run() {
   const callerTaskQueue = 'nexus-cancellation-caller-task-queue';
 
-  const connection = await Connection.connect({ address: 'localhost:7233' });
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
   const client = new Client({
     connection,
     namespace: 'my-caller-namespace',
diff --git a/nexus-hello/package.json b/nexus-hello/package.json
index 1aaa1632..82547a2e 100644
--- a/nexus-hello/package.json
+++ b/nexus-hello/package.json
@@ -26,6 +26,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/nexus": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2",
diff --git a/nexus-hello/src/starter.ts b/nexus-hello/src/starter.ts
index 847b00b1..21a33403 100644
--- a/nexus-hello/src/starter.ts
+++ b/nexus-hello/src/starter.ts
@@ -1,12 +1,14 @@
 import { nanoid } from 'nanoid';
 import { Connection, Client } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { echoCallerWorkflow, helloCallerWorkflow } from './caller/workflows';
 
 async function run() {
   const namespace = 'my-caller-namespace';
   const callerTaskQueue = 'nexus-hello-caller-task-queue';
 
-  const connection = await Connection.connect({ address: 'localhost:7233' });
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
   const client = new Client({
     connection,
     namespace,
diff --git a/patching-api/package.json b/patching-api/package.json
index a8535ced..872e8e36 100644
--- a/patching-api/package.json
+++ b/patching-api/package.json
@@ -24,6 +24,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2",
     "axios": "0.28.0",
diff --git a/patching-api/src/client.ts b/patching-api/src/client.ts
index caf29e7d..aa088c78 100644
--- a/patching-api/src/client.ts
+++ b/patching-api/src/client.ts
@@ -1,8 +1,11 @@
-import { Client } from '@temporalio/client';
+import { Client, Connection } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { myWorkflow, workflowId } from './workflows';
 
 async function run(): Promise<void> {
-  const client = new Client();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
   await client.workflow.start(myWorkflow, { taskQueue: 'patching', workflowId });
 }
 
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index d7929061..86cf76d2 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -138,6 +138,9 @@ importers:
       '@temporalio/common':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -5982,6 +5985,10 @@ packages:
     resolution: {integrity: sha512-zwYZqeWypi1YHTeoYwBYgIVmWNg4+/T+CCcOwtyNUvA25wim85p9JOCB9tKgG4e8Hu1Nptd7yEjPaZtLPmJjjg==}
     engines: {node: '>= 18.0.0'}
 
+  '@temporalio/envconfig@1.13.2':
+    resolution: {integrity: sha512-jq5K8PBMgHKXtjk7c6zocg+XRbwbhivWBhRq7xMZlniNd2Cb06UxxN7EVQ246KSjQc/soQcPrOTj3Xc/tjXH/w==}
+    engines: {node: '>= 18.0.0'}
+
   '@temporalio/interceptors-opentelemetry@1.13.2':
     resolution: {integrity: sha512-2MHMYQNJngpW/DIgc0JxIocASloLhzvTouE/QM90G0jCZjcWHZlcTs+HhBlKcD+Ipl2Zq2QSeI1GXl4v9cd3yA==}
     engines: {node: '>= 18.0.0'}
@@ -12683,6 +12690,10 @@ packages:
     resolution: {integrity: sha512-94hK0Hh8rPqQl2xXc3HsaBoOXKV20MToPkcXvwbISWLEs+64sBq5kFgn2kJDHb1Pry9yrP0dxrCI9RRci7RXKg==}
     engines: {node: '>= 6.0.0', npm: '>= 3.0.0'}
 
+  smol-toml@1.4.2:
+    resolution: {integrity: sha512-rInDH6lCNiEyn3+hH8KVGFdbjc099j47+OSgbMrfDYX1CmXLfdKd7qi6IfcWj2wFxvSVkuI46M+wPGYfEOEj6g==}
+    engines: {node: '>= 18'}
+
   sockjs@0.3.24:
     resolution: {integrity: sha512-GJgLTZ7vYb/JtPSSZ10hsOYIvEYsjbNU+zPdIHcUaWVNUEPivzxku31865sSSud0Da0W4lEeOPlmw93zLQchuQ==}
 
@@ -17218,6 +17229,11 @@ snapshots:
       cargo-cp-artifact: 0.1.9
       which: 4.0.0
 
+  '@temporalio/envconfig@1.13.2':
+    dependencies:
+      '@temporalio/common': 1.13.2
+      smol-toml: 1.4.2
+
   '@temporalio/interceptors-opentelemetry@1.13.2(@temporalio/common@1.13.2)(@temporalio/workflow@1.13.2)':
     dependencies:
       '@opentelemetry/api': 1.9.0
@@ -26096,6 +26112,8 @@ snapshots:
 
   smart-buffer@4.2.0: {}
 
+  smol-toml@1.4.2: {}
+
   sockjs@0.3.24:
     dependencies:
       faye-websocket: 0.11.4
diff --git a/polling/infrequent/package.json b/polling/infrequent/package.json
index df3cc675..6d6eff71 100644
--- a/polling/infrequent/package.json
+++ b/polling/infrequent/package.json
@@ -25,6 +25,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2",
     "nanoid": "3.x"
diff --git a/polling/infrequent/src/client.ts b/polling/infrequent/src/client.ts
index 4e91192d..6b5d1075 100644
--- a/polling/infrequent/src/client.ts
+++ b/polling/infrequent/src/client.ts
@@ -1,10 +1,12 @@
 // @@@SNIPSTART typescript-polling-infrequent
 import { Connection, Client } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { greetingWorkflow } from './workflows';
 import { nanoid } from 'nanoid';
 
 async function run() {
-  const connection = await Connection.connect({ address: 'localhost:7233' });
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
   const client = new Client({ connection });
 
   const handle = await client.workflow.start(greetingWorkflow, {
diff --git a/production/package.json b/production/package.json
index f3e92cde..50db4ab2 100644
--- a/production/package.json
+++ b/production/package.json
@@ -25,6 +25,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2"
   },
diff --git a/production/src/client.ts b/production/src/client.ts
index dc8d18af..8d5a8f25 100644
--- a/production/src/client.ts
+++ b/production/src/client.ts
@@ -1,15 +1,11 @@
 import { Connection, Client } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { example } from './workflows';
 
 async function run() {
-  const connection = await Connection.connect(); // Connect to localhost with default ConnectionOptions.
-  // In production, pass options to the Connection constructor to configure TLS and other settings.
-  // This is optional but we leave this here to remind you there is a gRPC connection being established.
-
-  const client = new Client({
-    connection,
-    // In production you will likely specify `namespace` here; it is 'default' if omitted
-  });
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
 
   const result = await client.workflow.execute(example, {
     taskQueue: 'production-sample',
diff --git a/protobufs/package.json b/protobufs/package.json
index f2260d39..c183960e 100644
--- a/protobufs/package.json
+++ b/protobufs/package.json
@@ -27,6 +27,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/common": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2",
diff --git a/protobufs/src/client.ts b/protobufs/src/client.ts
index d1c97a3b..f3a2456e 100644
--- a/protobufs/src/client.ts
+++ b/protobufs/src/client.ts
@@ -1,11 +1,15 @@
 // @@@SNIPSTART typescript-protobuf-client
-import { Client } from '@temporalio/client';
+import { Client, Connection } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { v4 as uuid } from 'uuid';
 import { foo, ProtoResult } from '../protos/root';
 import { example } from './workflows';
 
 async function run() {
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
   const client = new Client({
+    connection,
     dataConverter: { payloadConverterPath: require.resolve('./payload-converter') },
   });
 
diff --git a/query-subscriptions/package.json b/query-subscriptions/package.json
index 56507617..ec2eb098 100644
--- a/query-subscriptions/package.json
+++ b/query-subscriptions/package.json
@@ -24,6 +24,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2",
     "immer": "^9.0.6",
diff --git a/query-subscriptions/src/subscribe.ts b/query-subscriptions/src/subscribe.ts
index 4c6a9769..8a68c80f 100644
--- a/query-subscriptions/src/subscribe.ts
+++ b/query-subscriptions/src/subscribe.ts
@@ -1,6 +1,7 @@
 import Redis from 'ioredis';
 import { applyPatches } from 'immer';
-import { Client } from '@temporalio/client';
+import { Client, Connection } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { State, counter } from './workflows';
 import { Versioned } from './workflows/subscriptions';
 import { taskQueue } from './env';
@@ -85,7 +86,9 @@ export class SubscriptionClient {
 }
 
 export async function run(): Promise<void> {
-  const client = new Client();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
   const subsClient = new SubscriptionClient(client);
   const { workflowId } = await client.workflow.start(counter, {
     taskQueue,
diff --git a/saga/package.json b/saga/package.json
index 14dbdd52..fd5af741 100644
--- a/saga/package.json
+++ b/saga/package.json
@@ -24,6 +24,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2",
     "cuid": "^2.1.8"
diff --git a/saga/src/client.ts b/saga/src/client.ts
index 9baa33eb..d3fa9b2f 100644
--- a/saga/src/client.ts
+++ b/saga/src/client.ts
@@ -1,13 +1,12 @@
 import { Connection, Client } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import cuid from 'cuid';
 import * as Workflows from './types/workflow-commands';
 import { openAccount as openAccountWorkflow } from './workflows';
 async function run() {
-  const connection = await Connection.connect();
-  const client = new Client({
-    connection,
-    // In production you will likely specify `namespace` here; it is 'default' if omitted
-  });
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
   // workflow params
   const openAccount: Workflows.OpenAccount = {
     accountId: cuid(),
diff --git a/schedules/package.json b/schedules/package.json
index 3e305695..acac9c97 100644
--- a/schedules/package.json
+++ b/schedules/package.json
@@ -33,6 +33,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2"
   },
diff --git a/schedules/src/start-schedule.ts b/schedules/src/start-schedule.ts
index 4b0270fa..8145ff41 100644
--- a/schedules/src/start-schedule.ts
+++ b/schedules/src/start-schedule.ts
@@ -1,11 +1,12 @@
 import { Connection, Client, ScheduleOverlapPolicy } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { reminder } from './workflows';
 
 // @@@SNIPSTART typescript-create-a-scheduled-workflow
 async function run() {
-  const client = new Client({
-    connection: await Connection.connect(),
-  });
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
 
   // https://typescript.temporal.io/api/classes/client.ScheduleClient#create
   const schedule = await client.schedule.create({
diff --git a/scratchpad/package.json b/scratchpad/package.json
index 1ce59946..e806be24 100644
--- a/scratchpad/package.json
+++ b/scratchpad/package.json
@@ -21,6 +21,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2"
   },
diff --git a/scratchpad/scratchpad.ts b/scratchpad/scratchpad.ts
index 1200acc2..bcadda9e 100644
--- a/scratchpad/scratchpad.ts
+++ b/scratchpad/scratchpad.ts
@@ -1,6 +1,7 @@
 import { proxyActivities, inWorkflowContext } from '@temporalio/workflow';
 import { Connection, Client } from '@temporalio/client';
 import { Worker, DefaultLogger, Runtime } from '@temporalio/worker';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 
 const workflowId = 'scratchpad';
 const taskQueue = 'scratchpad';
@@ -38,7 +39,8 @@ async function main(): Promise<void> {
       ignoreModules: ['@temporalio/client', '@temporalio/worker'],
     },
   });
-  const connection = await Connection.connect();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
   const client = new Client({ connection });
   await worker.runUntil(starter(client));
 }
diff --git a/search-attributes/package.json b/search-attributes/package.json
index 45067f9e..ae3526ed 100644
--- a/search-attributes/package.json
+++ b/search-attributes/package.json
@@ -25,6 +25,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/common": "^1.13.2",
     "@temporalio/proto": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
diff --git a/search-attributes/src/client.ts b/search-attributes/src/client.ts
index c1421f43..47f18a71 100644
--- a/search-attributes/src/client.ts
+++ b/search-attributes/src/client.ts
@@ -1,8 +1,11 @@
-import { Client } from '@temporalio/client';
+import { Client, Connection } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { example } from './workflows';
 
 async function run() {
-  const client = new Client();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
 
   // @@@SNIPSTART typescript-search-attributes-client
   const handle = await client.workflow.start(example, {
diff --git a/signals-queries/package.json b/signals-queries/package.json
index 6b95d4ed..22a0b44d 100644
--- a/signals-queries/package.json
+++ b/signals-queries/package.json
@@ -27,6 +27,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2"
   },
diff --git a/signals-queries/src/cancel-workflow.ts b/signals-queries/src/cancel-workflow.ts
index a6ef545b..b773a314 100644
--- a/signals-queries/src/cancel-workflow.ts
+++ b/signals-queries/src/cancel-workflow.ts
@@ -1,7 +1,10 @@
-import { Client } from '@temporalio/client';
+import { Client, Connection } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 
 async function run(): Promise<void> {
-  const client = new Client();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
 
   const handle = client.workflow.getHandle('unblock-or-cancel-0');
 
diff --git a/signals-queries/src/query-workflow.ts b/signals-queries/src/query-workflow.ts
index f9e56838..89788aa7 100644
--- a/signals-queries/src/query-workflow.ts
+++ b/signals-queries/src/query-workflow.ts
@@ -1,8 +1,11 @@
-import { Client } from '@temporalio/client';
+import { Client, Connection } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { isBlockedQuery } from './workflows';
 
 async function run(): Promise<void> {
-  const client = new Client();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
 
   const handle = client.workflow.getHandle('unblock-or-cancel-0');
 
diff --git a/signals-queries/src/signal-workflow.ts b/signals-queries/src/signal-workflow.ts
index 26712fcd..fb363a07 100644
--- a/signals-queries/src/signal-workflow.ts
+++ b/signals-queries/src/signal-workflow.ts
@@ -1,8 +1,11 @@
-import { Client } from '@temporalio/client';
+import { Client, Connection } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { unblockSignal } from './workflows';
 
 async function run(): Promise<void> {
-  const client = new Client();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
 
   const handle = client.workflow.getHandle('unblock-or-cancel-0');
 
diff --git a/signals-queries/src/start-workflow.ts b/signals-queries/src/start-workflow.ts
index 2f098423..7bab1483 100644
--- a/signals-queries/src/start-workflow.ts
+++ b/signals-queries/src/start-workflow.ts
@@ -1,8 +1,11 @@
-import { Client } from '@temporalio/client';
+import { Client, Connection } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { unblockOrCancel } from './workflows';
 
 async function run(): Promise<void> {
-  const client = new Client();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
 
   const _handle = await client.workflow.start(unblockOrCancel, {
     taskQueue: 'signals-queries',
diff --git a/sinks/package.json b/sinks/package.json
index 2d524ea5..bf0ddb72 100644
--- a/sinks/package.json
+++ b/sinks/package.json
@@ -24,6 +24,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2"
   },
diff --git a/sinks/src/client.ts b/sinks/src/client.ts
index e49c114f..88902d9f 100644
--- a/sinks/src/client.ts
+++ b/sinks/src/client.ts
@@ -1,15 +1,11 @@
 import { Connection, Client } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { sinkWorkflow } from './workflows';
 
 async function run() {
-  const connection = await Connection.connect(); // Connect to localhost with default ConnectionOptions.
-  // In production, pass options to the Connection constructor to configure TLS and other settings.
-  // This is optional but we leave this here to remind you there is a gRPC connection being established.
-
-  const client = new Client({
-    connection,
-    // In production you will likely specify `namespace` here; it is 'default' if omitted
-  });
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
 
   // Invoke the `example` Workflow, only resolved when the workflow completes
   const result = await client.workflow.execute(sinkWorkflow, {
diff --git a/sleep-for-days/package.json b/sleep-for-days/package.json
index 458ab9c1..f99c1970 100644
--- a/sleep-for-days/package.json
+++ b/sleep-for-days/package.json
@@ -25,6 +25,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2",
     "nanoid": "3.x"
diff --git a/sleep-for-days/src/client.ts b/sleep-for-days/src/client.ts
index 4d3b765e..190d0085 100644
--- a/sleep-for-days/src/client.ts
+++ b/sleep-for-days/src/client.ts
@@ -1,10 +1,12 @@
 // @@@SNIPSTART typescript-hello-client
 import { Connection, Client } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { sleepForDays } from './workflows';
 import { nanoid } from 'nanoid';
 
 async function run() {
-  const connection = await Connection.connect({ address: 'localhost:7233' });
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
   const client = new Client({ connection });
 
   const handle = await client.workflow.start(sleepForDays, {
diff --git a/snippets/package.json b/snippets/package.json
index 6cc4cc50..b4a04168 100644
--- a/snippets/package.json
+++ b/snippets/package.json
@@ -24,6 +24,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2",
     "nanoid": "3.x"
diff --git a/snippets/src/client.ts b/snippets/src/client.ts
index b11ee7d8..5cb5e5f0 100644
--- a/snippets/src/client.ts
+++ b/snippets/src/client.ts
@@ -1,9 +1,12 @@
-import { Client } from '@temporalio/client';
+import { Client, Connection } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { example } from './workflows';
 import { nanoid } from 'nanoid';
 
 async function run() {
-  const client = new Client();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
   const workflowId = 'workflow-' + nanoid();
   const taskQueue = 'snippets';
 
@@ -28,7 +31,9 @@ run().catch((err) => {
 });
 
 async function _snippets() {
-  const client = new Client();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
   const workflowId = 'workflow-' + nanoid();
   const taskQueue = 'snippets';
 
diff --git a/state/package.json b/state/package.json
index 3b0a2a8c..342dbe21 100644
--- a/state/package.json
+++ b/state/package.json
@@ -27,6 +27,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2"
   },
diff --git a/state/src/cancel-workflow.ts b/state/src/cancel-workflow.ts
index 910285f4..093d9ddb 100644
--- a/state/src/cancel-workflow.ts
+++ b/state/src/cancel-workflow.ts
@@ -1,7 +1,10 @@
-import { Client } from '@temporalio/client';
+import { Client, Connection } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 
 async function run(): Promise<void> {
-  const client = new Client();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
 
   const handle = client.workflow.getHandle('state-id-0');
 
diff --git a/state/src/query-workflow.ts b/state/src/query-workflow.ts
index a1ba3bc7..d3769207 100644
--- a/state/src/query-workflow.ts
+++ b/state/src/query-workflow.ts
@@ -1,9 +1,12 @@
 // @@@SNIPSTART typescript-send-query
-import { Client } from '@temporalio/client';
+import { Client, Connection } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { getValueQuery } from './workflows';
 
 async function run(): Promise<void> {
-  const client = new Client();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
   const handle = client.workflow.getHandle('state-id-0');
   const meaning = await handle.query(getValueQuery, 'meaning-of-life');
   console.log({ meaning });
diff --git a/state/src/signal-workflow.ts b/state/src/signal-workflow.ts
index 4c76002f..861201a8 100644
--- a/state/src/signal-workflow.ts
+++ b/state/src/signal-workflow.ts
@@ -1,8 +1,11 @@
-import { Client } from '@temporalio/client';
+import { Client, Connection } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { setValueSignal } from './workflows';
 
 async function run(): Promise<void> {
-  const client = new Client();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
 
   const handle = client.workflow.getHandle('state-id-0');
 
diff --git a/state/src/start-workflow.ts b/state/src/start-workflow.ts
index b2b8d7e2..5216e20b 100644
--- a/state/src/start-workflow.ts
+++ b/state/src/start-workflow.ts
@@ -1,8 +1,11 @@
-import { Client } from '@temporalio/client';
+import { Client, Connection } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { trackState } from './workflows';
 
 async function run(): Promise<void> {
-  const client = new Client();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
 
   const _handle = await client.workflow.start(trackState, {
     taskQueue: 'state',
diff --git a/timer-examples/package.json b/timer-examples/package.json
index 8a0af721..c40bfca4 100644
--- a/timer-examples/package.json
+++ b/timer-examples/package.json
@@ -28,6 +28,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2",
     "axios": "0.28.0",
diff --git a/timer-examples/src/clients/fast.ts b/timer-examples/src/clients/fast.ts
index 573dfde9..36ea18fd 100644
--- a/timer-examples/src/clients/fast.ts
+++ b/timer-examples/src/clients/fast.ts
@@ -1,8 +1,11 @@
-import { Client } from '@temporalio/client';
+import { Client, Connection } from '@temporalio/client';
 import { processOrderWorkflow } from '../workflows';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 
 async function run(): Promise<void> {
-  const client = new Client();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
 
   // Does *not* send email to `process.env.ADMIN_EMAIL` that order processing is slow
   const result = await client.workflow.execute(processOrderWorkflow, {
diff --git a/timer-examples/src/clients/slow.ts b/timer-examples/src/clients/slow.ts
index 86e9f7e9..3dfa632e 100644
--- a/timer-examples/src/clients/slow.ts
+++ b/timer-examples/src/clients/slow.ts
@@ -1,8 +1,11 @@
-import { Client } from '@temporalio/client';
+import { Client, Connection } from '@temporalio/client';
 import { processOrderWorkflow } from '../workflows';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 
 async function run(): Promise<void> {
-  const client = new Client();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
 
   // Sends email to `process.env.ADMIN_EMAIL` that order processing is slow
   const result = await client.workflow.execute(processOrderWorkflow, {
diff --git a/timer-examples/src/clients/updating-timer.ts b/timer-examples/src/clients/updating-timer.ts
index 5a1174aa..586715c9 100644
--- a/timer-examples/src/clients/updating-timer.ts
+++ b/timer-examples/src/clients/updating-timer.ts
@@ -1,8 +1,11 @@
-import { Client } from '@temporalio/client';
+import { Client, Connection } from '@temporalio/client';
 import { countdownWorkflow, setDeadlineSignal, timeLeftQuery } from '../workflows';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 
 async function run(): Promise<void> {
-  const client = new Client();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
 
   const handle = await client.workflow.start(countdownWorkflow, {
     taskQueue: 'timer-examples',
diff --git a/timer-progress/package.json b/timer-progress/package.json
index 4a02742e..b42a85f7 100644
--- a/timer-progress/package.json
+++ b/timer-progress/package.json
@@ -24,6 +24,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2"
   },
diff --git a/timer-progress/src/client.ts b/timer-progress/src/client.ts
index 5f9d45ad..47750f42 100644
--- a/timer-progress/src/client.ts
+++ b/timer-progress/src/client.ts
@@ -1,9 +1,12 @@
-import { Client } from '@temporalio/client';
+import { Client, Connection } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { progress, getProgress } from './workflows';
 import { setTimeout } from 'timers/promises';
 
 async function run() {
-  const client = new Client();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
 
   const handle = await client.workflow.start(progress, { taskQueue: 'timer-progress', workflowId: 'progress-0' });
 
diff --git a/vscode-debugger/package.json b/vscode-debugger/package.json
index e09fbb60..d9946540 100644
--- a/vscode-debugger/package.json
+++ b/vscode-debugger/package.json
@@ -24,6 +24,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2",
     "waait": "^1.0.5"
diff --git a/vscode-debugger/src/client.ts b/vscode-debugger/src/client.ts
index 37cdecca..45ba5958 100644
--- a/vscode-debugger/src/client.ts
+++ b/vscode-debugger/src/client.ts
@@ -1,10 +1,13 @@
-import { Client } from '@temporalio/client';
+import { Client, Connection } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import crypto from 'node:crypto';
 import wait from 'waait';
 import { humanVerificationWorkflow, verifySignal } from './workflows';
 
 async function run() {
-  const client = new Client();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
 
   const handle = await client.workflow.start(humanVerificationWorkflow, {
     args: ['4 + 20 = 420'],
diff --git a/worker-specific-task-queues/package.json b/worker-specific-task-queues/package.json
index 5f197a44..cc7d75df 100644
--- a/worker-specific-task-queues/package.json
+++ b/worker-specific-task-queues/package.json
@@ -24,6 +24,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2",
     "uuid": "^8.3.2"
diff --git a/worker-specific-task-queues/src/client.ts b/worker-specific-task-queues/src/client.ts
index ca96aa25..66af6c81 100644
--- a/worker-specific-task-queues/src/client.ts
+++ b/worker-specific-task-queues/src/client.ts
@@ -1,8 +1,10 @@
 import { Connection, Client } from '@temporalio/client';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { fileProcessingWorkflow } from './workflows';
 
 async function run() {
-  const connection = await Connection.connect();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
   const client = new Client({ connection });
   await client.workflow.execute(fileProcessingWorkflow, {
     taskQueue: 'normal-task-queue',
diff --git a/worker-versioning/package.json b/worker-versioning/package.json
index bbf9fe69..11f0ee92 100644
--- a/worker-versioning/package.json
+++ b/worker-versioning/package.json
@@ -24,6 +24,7 @@
   "dependencies": {
     "@temporalio/activity": "^1.13.2",
     "@temporalio/client": "^1.13.2",
+    "@temporalio/envconfig": "^1.13.2",
     "@temporalio/common": "^1.13.2",
     "@temporalio/worker": "^1.13.2",
     "@temporalio/workflow": "^1.13.2"
diff --git a/worker-versioning/src/app.ts b/worker-versioning/src/app.ts
index dd7dfada..f665584b 100644
--- a/worker-versioning/src/app.ts
+++ b/worker-versioning/src/app.ts
@@ -1,14 +1,17 @@
 import { randomUUID } from 'crypto';
 import { setTimeout as delay } from 'timers/promises';
-import { Client } from '@temporalio/client';
+import { Client, Connection } from '@temporalio/client';
 import type { WorkflowHandle } from '@temporalio/client';
 import { toCanonicalString, WorkerDeploymentVersion } from '@temporalio/common';
 
 import { DEPLOYMENT_NAME, TASK_QUEUE } from './constants';
 import { doNextSignal } from './workflows-base';
+import { loadClientConnectConfig } from '@temporalio/envconfig';
 
 async function main(): Promise<void> {
-  const client = new Client();
+  const config = loadClientConnectConfig();
+  const connection = await Connection.connect(config.connectionOptions);
+  const client = new Client({ connection });
 
   console.info('Waiting for v1 worker to appear. Run `npm run worker1` in another terminal.');
   await waitForWorkerAndMakeCurrent(client, '1.0');

From 24353ee9a96f9f10402e6c15549938e40a0cd875 Mon Sep 17 00:00:00 2001
From: Thomas Hardy <thomas.hardy@temporal.io>
Date: Tue, 11 Nov 2025 20:32:07 -0800
Subject: [PATCH 2/3] update pnpm lock file

---
 pnpm-lock.yaml | 129 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 129 insertions(+)

diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 86cf76d2..15e9cd49 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -37,6 +37,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -86,6 +89,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -241,6 +247,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -290,6 +299,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -339,6 +351,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -388,6 +403,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -449,6 +467,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -504,6 +525,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -568,6 +592,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -632,6 +659,9 @@ importers:
       '@temporalio/common':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -693,6 +723,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -757,6 +790,9 @@ importers:
       '@temporalio/common':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/proto':
         specifier: ^1.13.2
         version: 1.13.2
@@ -842,6 +878,9 @@ importers:
       '@temporalio/common':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -906,6 +945,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -1333,6 +1375,9 @@ importers:
       '@temporalio/common':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -1385,6 +1430,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -1446,6 +1494,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -1562,6 +1613,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/interceptors-opentelemetry':
         specifier: ^1.13.2
         version: 1.13.2(@temporalio/common@1.13.2)(@temporalio/workflow@1.13.2)
@@ -1614,6 +1668,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -1675,6 +1732,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -1739,6 +1799,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -1958,6 +2021,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -2146,6 +2212,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -2228,6 +2297,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/nexus':
         specifier: ^1.13.2
         version: 1.13.2
@@ -2286,6 +2358,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/nexus':
         specifier: ^1.13.2
         version: 1.13.2
@@ -2344,6 +2419,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -2411,6 +2489,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -2463,6 +2544,9 @@ importers:
       '@temporalio/common':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -2536,6 +2620,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -2594,6 +2681,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -2649,6 +2739,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -2698,6 +2791,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -2750,6 +2846,9 @@ importers:
       '@temporalio/common':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/proto':
         specifier: ^1.13.2
         version: 1.13.2
@@ -2802,6 +2901,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -2851,6 +2953,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -2900,6 +3005,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -2967,6 +3075,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -3019,6 +3130,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -3068,6 +3182,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -3147,6 +3264,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -3196,6 +3316,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -3248,6 +3371,9 @@ importers:
       '@temporalio/client':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)
@@ -3306,6 +3432,9 @@ importers:
       '@temporalio/common':
         specifier: ^1.13.2
         version: 1.13.2
+      '@temporalio/envconfig':
+        specifier: ^1.13.2
+        version: 1.13.2
       '@temporalio/worker':
         specifier: ^1.13.2
         version: 1.13.2(@swc/helpers@0.5.15)

From 0fbb5bed7bc1a9c75694739aa8f656865116718b Mon Sep 17 00:00:00 2001
From: Thomas Hardy <thomas.hardy@temporal.io>
Date: Wed, 12 Nov 2025 11:26:03 -0800
Subject: [PATCH 3/3] add small comment

---
 custom-logger/src/client.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/custom-logger/src/client.ts b/custom-logger/src/client.ts
index b6932a41..dab7abc0 100644
--- a/custom-logger/src/client.ts
+++ b/custom-logger/src/client.ts
@@ -4,6 +4,9 @@ import { loadClientConnectConfig } from '@temporalio/envconfig';
 import { logSampleWorkflow } from './workflows';
 
 async function run() {
+  // Load client configuration from config file.
+  // (see: https://docs.temporal.io/develop/environment-configuration)
+  // In production, you can configure TLS and other settings in your config file.
   const config = loadClientConnectConfig();
   const connection = await Connection.connect(config.connectionOptions);
   const client = new Client({ connection });