diff --git a/.gitignore b/.gitignore
index 67f48cf..343a379 100644
--- a/.gitignore
+++ b/.gitignore
@@ -76,3 +76,7 @@ dist
 !.yarn/releases
 !.yarn/sdks
 !.yarn/versions
+
+# Prometheus
+# Ignore the local data directory used by Prometheus
+data/
diff --git a/package.json b/package.json
index 52691d7..5ef355d 100644
--- a/package.json
+++ b/package.json
@@ -44,10 +44,12 @@
     "@scalar/fastify-api-reference": "^1.44.24",
     "fastify": "^5.7.4",
     "fastify-cli": "^7.4.1",
+    "fastify-metrics": "^12.1.0",
     "fastify-plugin": "^5.1.0",
     "jsonwebtoken": "^9.0.3",
     "jwks-rsa": "^3.2.2",
     "openid-client": "^6.8.2",
+    "pino-loki": "^3.0.0",
     "typebox": "^1.0.81"
   },
   "devDependencies": {
diff --git a/prometheus.yml.example b/prometheus.yml.example
new file mode 100644
index 0000000..9bd7051
--- /dev/null
+++ b/prometheus.yml.example
@@ -0,0 +1,56 @@
+global:
+  scrape_interval:     15s # By default, scrape targets every 15 seconds.
+
+  # Attach these labels to any time series or alerts when communicating with
+  # external systems (federation, remote storage, Alertmanager).
+  external_labels:
+    monitor: 'codelab-monitor'
+
+# Scrape configurations used for local development:
+# - `prometheus`: Prometheus' own internal metrics endpoint.
+# - `template-api`: this project's API (expects metrics at `http://localhost:3000/metrics`).
+scrape_configs:
+  # Prometheus server metrics (job=prometheus)
+  - job_name: 'prometheus'
+
+    # Short interval for local testing.
+    scrape_interval: 5s
+
+    static_configs:
+      - targets: ['localhost:9090']
+
+  # The template API exposes application metrics at `/metrics`.
+  # Make sure the API is running locally and exposes Prometheus metrics (e.g. using `prom-client` or middleware).
+  - job_name: 'template-api'
+    # Keep a short interval for fast feedback during development.
+    scrape_interval: 5s
+    # Prometheus will request the `/metrics` path by default, but we show it here explicitly for clarity.
+    metrics_path: /metrics
+    static_configs:
+      - targets: ['localhost:3000']
+
+    # Optional: relabeling examples for common local/dev setups. Uncomment and adapt as needed.
+    # - Add a static label (useful for environment-specific queries)
+    # relabel_configs:
+    #   - target_label: env
+    #     replacement: dev
+    #
+    # - Set `instance` to the hostname (strip port)
+    #   - source_labels: [__address__]
+    #     regex: '([^:]+):.*'
+    #     target_label: instance
+    #     replacement: '$1'
+    #
+    # - Drop a specific target (useful to temporarily disable scraping)
+    #   - source_labels: [__address__]
+    #     regex: '127\\.0\\.0\\.1:3000'
+    #     action: drop
+    #
+    # - Preserve original address in another label before rewriting (advanced example)
+    #   - source_labels: [__address__]
+    #     target_label: __param_target
+    #     replacement: '$1'
+    #
+    # Notes:
+    # - `relabel_configs` run during target discovery and can add/modify/drop labels.
+    # - Keep examples commented so the default local setup continues to work.
diff --git a/src/app.ts b/src/app.ts
index 656aa28..e3eb6fd 100644
--- a/src/app.ts
+++ b/src/app.ts
@@ -11,7 +11,10 @@ import {
   RawReplyDefaultExpression,
   RawRequestDefaultExpression,
   RawServerDefault,
+  FastifyReply,
+  FastifyRequest,
 } from "fastify";
+import fastifyMetrics from "fastify-metrics";
 import * as path from "path";
 import { fileURLToPath } from "url";
 
@@ -20,6 +23,8 @@ const __dirname = path.dirname(__filename);
 
 export type AppOptions = {
   // Place your custom options for app below here.
+  lokiHost?: string;
+  prometheusKey?: string;
 } & FastifyServerOptions &
   Partial<AutoloadPluginOptions> &
   InitMongoPluginOptions &
@@ -66,9 +71,46 @@ const options: AppOptions = {
   mongoUri: getOption("MONGO_URI")!,
   authDiscoveryURL: getOption("AUTH_DISCOVERY_URL")!,
   authClientID: getOption("AUTH_CLIENT_ID")!,
+  lokiHost: getOption("LOKI_HOST", false),
+  prometheusKey: getOption("PROMETHEUS_KEY", false),
   authSkip: getBooleanOption("AUTH_SKIP", false),
 };
 
+if (options.lokiHost) {
+  const lokiTransport = {
+    target: "pino-loki",
+    options: {
+      batching: true,
+      interval: 5, // Logs are sent every 5 seconds, default.
+      host: options.lokiHost,
+      labels: { application: packageJson.name },
+    },
+  };
+
+  let existingLogger = options.logger;
+  if (typeof existingLogger === "boolean") {
+    existingLogger = existingLogger ? { level: "info" } : undefined;
+  }
+
+  if (existingLogger) {
+    const existingTransport = existingLogger.transport;
+
+    let mergedTransport: unknown;
+    if (Array.isArray(existingTransport)) {
+      mergedTransport = [...existingTransport, lokiTransport];
+    } else if (existingTransport) {
+      mergedTransport = [existingTransport, lokiTransport];
+    } else {
+      mergedTransport = lokiTransport;
+    }
+
+    options.logger = {
+      ...existingLogger,
+      transport: mergedTransport,
+    } as Exclude<FastifyServerOptions["logger"], boolean | undefined>;
+  }
+}
+
 // Support Typebox
 export type FastifyTypebox = FastifyInstance<
   RawServerDefault,
@@ -93,6 +135,29 @@ const app: FastifyPluginAsync<AppOptions> = async (
     origin: "*",
   });
 
+  // Register Metrics
+  const metricsEndpoint = opts.prometheusKey
+    ? {
+        url: "/metrics",
+        method: "GET",
+        handler: async () => {}, // Overridden by fastify-metrics
+        onRequest: async (request: FastifyRequest, reply: FastifyReply) => {
+          if (
+            request.headers.authorization !== `Bearer ${opts.prometheusKey}`
+          ) {
+            reply.code(401).send({ status: "error", message: "Unauthorized" });
+            return;
+          }
+        },
+      }
+    : "/metrics";
+
+  await fastify.register(fastifyMetrics.default, {
+    endpoint: metricsEndpoint,
+    defaultMetrics: { enabled: true },
+    clearRegisterOnInit: true,
+  });
+
   // Register Swagger & Swagger UI & Scalar
   await fastify.register(import("@fastify/swagger"), {
     openapi: {
diff --git a/test/helper.ts b/test/helper.ts
index a9c0e26..9af77a9 100644
--- a/test/helper.ts
+++ b/test/helper.ts
@@ -12,6 +12,7 @@ export type TestContext = {
 // needed for testing the application
 async function config(mongoUri: string): Promise<AppOptions> {
   return {
+    pluginTimeout: options.pluginTimeout,
     mongoUri,
     authDiscoveryURL: "",
     authClientID: "",
@@ -20,19 +21,32 @@ async function config(mongoUri: string): Promise<AppOptions> {
 }
 
 // Automatically build and tear down our instance
-async function build(t: TestContext) {
-  const mongod = await MongoMemoryServer.create();
-  const fastify = Fastify({ pluginTimeout: options.pluginTimeout });
-
+async function build(t: TestContext, options?: Partial<AppOptions>) {
+  const cleanups: (() => Promise<unknown>)[] = [];
   const cleanup = async () => {
-    await fastify.close();
-    await mongod.stop();
+    // Cleanup in reverse order of setup
+    for (const fn of cleanups.reverse()) {
+      try {
+        await fn();
+      } catch (error) {
+        console.error("Error during cleanup:", error);
+      }
+    }
   };
   t.after(cleanup);
 
   try {
-    const appConfig = await config(mongod.getUri("example-test"));
-    await fastify.register(app, appConfig);
+    const mongod = await MongoMemoryServer.create();
+    cleanups.push(async () => await mongod.stop());
+
+    const appOptions = {
+      ...(await config(mongod.getUri("example-test"))),
+      ...options,
+    };
+    const fastify = Fastify(appOptions);
+    cleanups.push(async () => await fastify.close());
+
+    await fastify.register(app, appOptions);
     await fastify.ready();
     return fastify;
   } catch (error) {
diff --git a/test/routes/metrics.test.ts b/test/routes/metrics.test.ts
new file mode 100644
index 0000000..25224ad
--- /dev/null
+++ b/test/routes/metrics.test.ts
@@ -0,0 +1,41 @@
+import { build } from "../helper.js";
+import * as assert from "node:assert";
+import { test } from "node:test";
+
+test("metrics route without key", async (t) => {
+  const app = await build(t);
+
+  const response = await app.inject({
+    url: "/metrics",
+  });
+
+  assert.equal(response.statusCode, 200);
+});
+
+test("metrics route with key", async (t) => {
+  const app = await build(t, { prometheusKey: "secret" });
+
+  // Without auth header
+  const response = await app.inject({
+    url: "/metrics",
+  });
+  assert.equal(response.statusCode, 401);
+
+  // With correct auth header
+  const responseAuth = await app.inject({
+    url: "/metrics",
+    headers: {
+      authorization: "Bearer secret",
+    },
+  });
+  assert.equal(responseAuth.statusCode, 200);
+
+  // With incorrect auth header
+  const responseBadAuth = await app.inject({
+    url: "/metrics",
+    headers: {
+      authorization: "Bearer wrong",
+    },
+  });
+  assert.equal(responseBadAuth.statusCode, 401);
+});
diff --git a/yarn.lock b/yarn.lock
index 70e0542..7febd23 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -909,6 +909,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@opentelemetry/api@npm:^1.4.0":
+  version: 1.9.0
+  resolution: "@opentelemetry/api@npm:1.9.0"
+  checksum: 10c0/9aae2fe6e8a3a3eeb6c1fdef78e1939cf05a0f37f8a4fae4d6bf2e09eb1e06f966ece85805626e01ba5fab48072b94f19b835449e58b6d26720ee19a58298add
+  languageName: node
+  linkType: hard
+
 "@pinojs/redact@npm:^0.4.0":
   version: 0.4.0
   resolution: "@pinojs/redact@npm:0.4.0"
@@ -1564,6 +1571,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"bintrees@npm:1.0.2":
+  version: 1.0.2
+  resolution: "bintrees@npm:1.0.2"
+  checksum: 10c0/132944b20c93c1a8f97bf8aa25980a76c6eb4291b7f2df2dbcd01cb5b417c287d3ee0847c7260c9f05f3d5a4233aaa03dec95114e97f308abe9cc3f72bed4a44
+  languageName: node
+  linkType: hard
+
 "brace-expansion@npm:^1.1.7":
   version: 1.1.12
   resolution: "brace-expansion@npm:1.1.12"
@@ -2449,6 +2463,18 @@ __metadata:
   languageName: node
   linkType: hard
 
+"fastify-metrics@npm:^12.1.0":
+  version: 12.1.0
+  resolution: "fastify-metrics@npm:12.1.0"
+  dependencies:
+    fastify-plugin: "npm:^5.0.0"
+    prom-client: "npm:^15.1.3"
+  peerDependencies:
+    fastify: ">=5"
+  checksum: 10c0/b42940b8c7cbfcd86182b9a85b53dc903727c73523cf14ff465fca7a64ffa966dcf14e9af944efdecfb1be027f2cb356dbaf5126f25c789eed6cd5b6d4767e24
+  languageName: node
+  linkType: hard
+
 "fastify-plugin@npm:^4.5.1":
   version: 4.5.1
   resolution: "fastify-plugin@npm:4.5.1"
@@ -4346,6 +4372,27 @@ __metadata:
   languageName: node
   linkType: hard
 
+"pino-abstract-transport@npm:^3.0.0":
+  version: 3.0.0
+  resolution: "pino-abstract-transport@npm:3.0.0"
+  dependencies:
+    split2: "npm:^4.0.0"
+  checksum: 10c0/4486e1b9508110aaf963d07741ac98d660b974dd51d8ad42077d215118e27cda20c64da46c07c926898d52540aab7c6b9c37dc0f5355c203bb1d6a72b5bd8d6c
+  languageName: node
+  linkType: hard
+
+"pino-loki@npm:^3.0.0":
+  version: 3.0.0
+  resolution: "pino-loki@npm:3.0.0"
+  dependencies:
+    pino-abstract-transport: "npm:^3.0.0"
+    pump: "npm:^3.0.3"
+  bin:
+    pino-loki: dist/cli.mjs
+  checksum: 10c0/d7d83b8989366ff73d461f0c39adf1c7000c54a658f282cdb0e035e0fea88ac63933bd0f84dd13fbfcc210581f54b97389ff104f501559ea635c5316a1a6b398
+  languageName: node
+  linkType: hard
+
 "pino-pretty@npm:^13.0.0":
   version: 13.0.0
   resolution: "pino-pretty@npm:13.0.0"
@@ -4465,6 +4512,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"prom-client@npm:^15.1.3":
+  version: 15.1.3
+  resolution: "prom-client@npm:15.1.3"
+  dependencies:
+    "@opentelemetry/api": "npm:^1.4.0"
+    tdigest: "npm:^0.1.1"
+  checksum: 10c0/816525572e5799a2d1d45af78512fb47d073c842dc899c446e94d17cfc343d04282a1627c488c7ca1bcd47f766446d3e49365ab7249f6d9c22c7664a5bce7021
+  languageName: node
+  linkType: hard
+
 "promise-retry@npm:^2.0.1":
   version: 2.0.1
   resolution: "promise-retry@npm:2.0.1"
@@ -4485,6 +4542,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"pump@npm:^3.0.3":
+  version: 3.0.4
+  resolution: "pump@npm:3.0.4"
+  dependencies:
+    end-of-stream: "npm:^1.1.0"
+    once: "npm:^1.3.1"
+  checksum: 10c0/2780e66b5471c19e3e3e1063b84f3f6a3a08367f24c5ed552f98cd5901e6ada27c7ad6495d4244f553fd03b01884a4561933064f053f47c8994d84fd352768ea
+  languageName: node
+  linkType: hard
+
 "punycode@npm:^2.1.0, punycode@npm:^2.3.1":
   version: 2.3.1
   resolution: "punycode@npm:2.3.1"
@@ -4938,6 +5005,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"tdigest@npm:^0.1.1":
+  version: 0.1.2
+  resolution: "tdigest@npm:0.1.2"
+  dependencies:
+    bintrees: "npm:1.0.2"
+  checksum: 10c0/10187b8144b112fcdfd3a5e4e9068efa42c990b1e30cd0d4f35ee8f58f16d1b41bc587e668fa7a6f6ca31308961cbd06cd5d4a4ae1dc388335902ae04f7d57df
+  languageName: node
+  linkType: hard
+
 "template-api@workspace:.":
   version: 0.0.0-use.local
   resolution: "template-api@workspace:."
@@ -4961,6 +5037,7 @@ __metadata:
     eslint-config-prettier: "npm:^10.1.8"
     fastify: "npm:^5.7.4"
     fastify-cli: "npm:^7.4.1"
+    fastify-metrics: "npm:^12.1.0"
     fastify-plugin: "npm:^5.1.0"
     husky: "npm:^9.1.7"
     jsonwebtoken: "npm:^9.0.3"
@@ -4968,6 +5045,7 @@ __metadata:
     lint-staged: "npm:^16.2.7"
     mongodb-memory-server: "npm:11.0.1"
     openid-client: "npm:^6.8.2"
+    pino-loki: "npm:^3.0.0"
     prettier: "npm:^3.8.1"
     prettier-plugin-jsdoc: "npm:^1.8.0"
     rimraf: "npm:^6.1.3"