feat: Gateway

packages/gateway/.env.sample

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+SIGNLAB_URI=<SIGNLAB BACKEND GRAPHQL ENDPOINT>
+AUTH_URI=<AUTH MICROSERVICE GRAPHQL ENDPOINT>
+LEX_URI=<LEX SERVICE BACKEND ENDPOINT>

packages/gateway/.eslintrc.js

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+module.exports = {
+  root: true,
+  extends: "../.eslintrc.js",
+  parserOptions: {
+    project: 'tsconfig.json',
+    tsconfigRootDir : __dirname,
+    sourceType: 'module',
+  },
+  env: {
+    node: true,
+    jest: true,
+  },
+  ignorePatterns: ['.eslintrc.js'],
+};

packages/gateway/.gitignore

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+dist/
+node_modules/
+.env

packages/gateway/.prettierrc.js

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+module.exports = {
+  ...require('../.prettierrc.js'),
+}

packages/gateway/Dockerfile

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+FROM node:18-alpine
+
+# Copy over the source
+WORKDIR /usr/src/gateway
+COPY . .
+RUN npm install && \
+    npm run build
+
+# Expose the endpoint
+EXPOSE 3002
+
+# Run the production build
+CMD npm run start:prod

packages/gateway/nest-cli.json

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+{
+  "$schema": "https://json.schemastore.org/nest-cli",
+  "collection": "@nestjs/schematics",
+  "sourceRoot": "src"
+}