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init express server example
Former-commit-id: 9efa05e Former-commit-id: 5e84dd1c7496410f7dc013723a3dfb1e30f2e952
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‎examples/express/.env.Example‎

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# (Optional) Restack Cloud - You only need to set these if you are using Restack Cloud
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RESTACK_ENGINE_ID=
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RESTACK_ENGINE_ADDRESS=
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RESTACK_ENGINE_API_KEY=
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RESTACK_CLOUD_TOKEN=

‎examples/express/Dockerfile‎

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# Use an official Node.js runtime as the base image
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FROM node:18
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# Build stage
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FROM node:20-bullseye-slim AS builder
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# Set the working directory in the container
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WORKDIR /app
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# Copy package.json and package-lock.json to the working directory
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# Install pnpm
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RUN npm install -g pnpm
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# Copy package files
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COPY package*.json ./
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# Install the application dependencies
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RUN npm install
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# Install dependencies including TypeScript
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RUN pnpm install
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RUN pnpm add -D typescript
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# Copy the rest of the application code to the working directory
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# Copy source code
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COPY . .
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# Build the TypeScript code
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RUN npm run build
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# Build TypeScript code
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RUN pnpm run build
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# Production stage
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FROM node:20-bullseye-slim
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WORKDIR /app
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# Install pnpm
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RUN npm install -g pnpm
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# Copy package files and built code
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COPY --from=builder /app/package*.json ./
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COPY --from=builder /app/dist ./dist
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# Install production dependencies only
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RUN pnpm install --prod
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# Expose the port that the app runs on
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EXPOSE 8000
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# Command to run the application
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CMD ["node", "dist/server.js"]
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CMD ["node", "dist/server.js"]

‎examples/express/package.json‎

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{
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"name": "restack-examples-ts-express",
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"version": "0.0.1",
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"description": "Basic Express example",
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"main": "server.ts",
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"scripts": {
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"start": "ts-node src/server.ts",
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"start.watch": "nodemon src/server.ts",
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"dev": "pnpm start.watch",
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"build": "tsc --build",
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"clean": "rm -rf node_modules",
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"restack-up": "node restack_up.mjs"
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"name": "restack-examples-ts-express",
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"version": "0.0.1",
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"description": "Basic Express example",
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"main": "server.ts",
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"scripts": {
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"start": "ts-node src/server.ts",
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"start.watch": "nodemon src/server.ts",
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"dev": "pnpm start.watch",
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"build": "tsc --build",
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"clean": "rm -rf node_modules",
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"docker:build": "docker build -t restack-express .",
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"docker:run": "docker run -p 8000:8000 restack-express",
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"docker:dev": "pnpm docker:build && pnpm docker:run",
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"restack-up": "node restack_up.mjs"
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},
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"nodemonConfig": {
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"execMap": {
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"ts": "ts-node"
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},
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"nodemonConfig": {
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"execMap": {
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"ts": "ts-node"
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},
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"ext": "ts",
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"watch": [
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"src"
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]
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},
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"dependencies": {
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"@restackio/ai": "^0.0.80",
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"@temporalio/workflow": "^1.11.2",
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"express": "^4.21.1",
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"dotenv": "^16.4.5",
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},
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"devDependencies": {
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"@restackio/restack-sdk-cloud-ts": "^1.0.15",
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"@types/node": "^20.16.9",
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"nodemon": "^2.0.22",
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"ts-node": "^10.9.2"
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}
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"ext": "ts",
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"watch": [
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"src"
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]
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},
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"dependencies": {
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"@restackio/ai": "^0.0.80",
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"@temporalio/workflow": "^1.11.2",
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"dotenv": "^16.4.5",
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"express": "^4.21.1"
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},
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"devDependencies": {
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"@restackio/restack-sdk-cloud-ts": "^1.0.15",
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"@types/express": "^5.0.0",
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"@types/node": "^20.16.9",
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"nodemon": "^2.0.22",
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"ts-node": "^10.9.2"
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}
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}

‎examples/express/pnpm-lock.yaml‎

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‎examples/express/readme.md‎

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pnpm dev
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```
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The serer should be up at http://localhost:8000
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## Send a test request to the server
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```
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curl
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curl -X POST http://localhost:8000 -H "Content-Type: application/json" -d '{"workflowName": "my-workflow", "workflowId": "my-workflow-123"}'
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```
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## Build and Run Docker Container
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Build the Docker image and run the container with:
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```
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pnpm docker:dev
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```
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## Deploy on Restack
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## (Optional) Deploy on Restack Cloud
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pnpm restack-up
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‎examples/express/src/client.ts‎

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import Restack from '@restackio/ai';
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import dotenv from 'dotenv';
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dotenv.config();
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export const connectionOptions = {
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engineId: process.env.RESTACK_ENGINE_ID!,
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address: process.env.RESTACK_ENGINE_ADDRESS!,
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apiKey: process.env.RESTACK_ENGINE_API_KEY!,
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};
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export const client = new Restack(
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process.env.RESTACK_ENGINE_API_KEY ? connectionOptions : undefined
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);

‎examples/express/app.ts‎ renamed to ‎examples/express/src/server.ts‎

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import Restack from '@restackio/ai';
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import express from 'express';
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import dotenv from 'dotenv';
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import { client } from './client';
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dotenv.config();
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const connectionOptions = {
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engineId: process.env.RESTACK_ENGINE_ID!,
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address: process.env.RESTACK_ENGINE_ADDRESS!,
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apiKey: process.env.RESTACK_ENGINE_API_KEY!,
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};
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const client = new Restack(
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process.env.RESTACK_ENGINE_API_KEY ? connectionOptions : undefined
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);
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const app = express();
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const PORT = process.env.PORT || 8000;
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‎examples/express/tsconfig.json‎

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{
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"compilerOptions": {
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"target": "ES2020",
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"module": "CommonJS",
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"moduleResolution": "node",
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"esModuleInterop": true,
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"forceConsistentCasingInFileNames": true,
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"strict": true,
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"skipLibCheck": true,
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"outDir": "dist"
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},
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"include": ["src/**/*"],
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"exclude": ["node_modules"]
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}

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