Run Nest microservices in Docker Space

Dockerfile

@@ -1,10 +1,16 @@
-FROM python:3.11-slim
+FROM node:20-bookworm-slim
 
 WORKDIR /app
 
-COPY app.py /app/app.py
+COPY package.json /app/package.json
+RUN npm install --omit=dev
 
+COPY . /app
+COPY start-services.sh /app/start-services.sh
+RUN chmod +x /app/start-services.sh
+
+ENV NODE_ENV=production
 ENV PORT=7860
 EXPOSE 7860
 
-CMD ["python", "app.py"]
+CMD ["/app/start-services.sh"]

package.json

@@ -0,0 +1,89 @@
+{
+  "name": "chatbolt-backend",
+  "version": "1.0.0",
+  "private": true,
+  "scripts": {
+    "build": "nest build",
+    "build:all": "nest build api-gateway && nest build agent-service && nest build db-connector && nest build knowledge-service",
+    "start:gateway": "nest start api-gateway",
+    "start:agent": "nest start agent-service",
+    "start:db": "nest start db-connector",
+    "start:knowledge": "nest start knowledge-service",
+    "start:dev:gateway": "nest start --watch api-gateway",
+    "start:dev:agent": "nest start --watch agent-service",
+    "start:dev:db": "nest start --watch db-connector",
+    "start:dev:knowledge": "nest start --watch knowledge-service",
+    "start:dev": "concurrently \"npm run start:dev:gateway\" \"npm run start:dev:agent\" \"npm run start:dev:db\" \"npm run start:dev:knowledge\"",
+    "start:debug:gateway": "nest start --debug=9229 api-gateway",
+    "start:debug:agent": "nest start --debug=9230 agent-service",
+    "start:debug:db": "nest start --debug=9231 db-connector",
+    "start:debug:knowledge": "nest start --debug=9232 knowledge-service",
+    "start:debug": "concurrently \"npm run start:debug:gateway\" \"npm run start:debug:agent\" \"npm run start:debug:db\" \"npm run start:debug:knowledge\"",
+    "lint": "eslint \"{src,apps,libs,test}/**/*.ts\" --fix",
+    "test": "jest"
+  },
+  "dependencies": {
+    "@anthropic-ai/sdk": "^0.78.0",
+    "@langchain/anthropic": "^1.3.26",
+    "@langchain/core": "^1.1.40",
+    "@langchain/groq": "^1.2.0",
+    "@langchain/openai": "^1.4.4",
+    "@nestjs/axios": "^4.0.1",
+    "@nestjs/common": "^10.0.0",
+    "@nestjs/config": "^3.0.0",
+    "@nestjs/core": "^10.0.0",
+    "@nestjs/jwt": "^10.0.0",
+    "@nestjs/microservices": "^10.0.0",
+    "@nestjs/passport": "^10.0.0",
+    "@nestjs/platform-express": "^10.0.0",
+    "@nestjs/platform-socket.io": "^10.0.0",
+    "@nestjs/swagger": "^7.0.0",
+    "@nestjs/typeorm": "^10.0.0",
+    "@nestjs/websockets": "^10.0.0",
+    "axios": "^1.13.6",
+    "bcrypt": "^5.1.0",
+    "class-transformer": "^0.5.0",
+    "class-validator": "^0.14.0",
+    "concurrently": "^8.2.0",
+    "crypto-js": "^4.2.0",
+    "docx": "^9.6.1",
+    "exceljs": "^4.4.0",
+    "express": "^5.2.1",
+    "groq-sdk": "^0.5.0",
+    "ioredis": "^5.10.0",
+    "langchain": "^1.3.3",
+    "mongodb": "^6.0.0",
+    "mssql": "^12.2.0",
+    "mysql2": "^3.6.0",
+    "openai": "^6.27.0",
+    "passport": "^0.6.0",
+    "passport-jwt": "^4.0.0",
+    "passport-local": "^1.0.0",
+    "pdfkit": "^0.17.2",
+    "pg": "^8.11.0",
+    "reflect-metadata": "^0.1.13",
+    "rxjs": "^7.8.0",
+    "socket.io": "^4.7.0",
+    "stripe": "^20.4.1",
+    "swagger-ui-express": "^5.0.0",
+    "typeorm": "^0.3.0",
+    "uuid": "^9.0.0"
+  },
+  "devDependencies": {
+    "@nestjs/cli": "^10.0.0",
+    "@nestjs/schematics": "^10.0.0",
+    "@nestjs/testing": "^10.0.0",
+    "@types/bcrypt": "^5.0.0",
+    "@types/crypto-js": "^4.2.0",
+    "@types/express": "^4.17.25",
+    "@types/node": "^20.0.0",
+    "@types/passport-jwt": "^3.0.0",
+    "@types/passport-local": "^1.0.0",
+    "@types/pdfkit": "^0.17.5",
+    "@types/uuid": "^9.0.0",
+    "jest": "^29.5.0",
+    "ts-jest": "^29.1.0",
+    "ts-node": "^10.9.0",
+    "typescript": "^5.1.0"
+  }
+}

start-services.sh

@@ -0,0 +1,23 @@
+#!/bin/sh
+set -eu
+
+export API_GATEWAY_PORT="${PORT:-7860}"
+export AGENT_SERVICE_HOST="${AGENT_SERVICE_HOST:-127.0.0.1}"
+export DB_CONNECTOR_HOST="${DB_CONNECTOR_HOST:-127.0.0.1}"
+export KNOWLEDGE_SERVICE_HOST="${KNOWLEDGE_SERVICE_HOST:-127.0.0.1}"
+
+node apps/agent-service/apps/agent-service/src/main.js &
+PID_AGENT=$!
+node apps/db-connector/apps/db-connector/src/main.js &
+PID_DB=$!
+node apps/knowledge-service/apps/knowledge-service/src/main.js &
+PID_KNOWLEDGE=$!
+node apps/api-gateway/apps/api-gateway/src/main.js &
+PID_GATEWAY=$!
+
+shutdown() {
+  kill "$PID_GATEWAY" "$PID_KNOWLEDGE" "$PID_DB" "$PID_AGENT" 2>/dev/null || true
+}
+
+trap shutdown INT TERM
+wait "$PID_GATEWAY"