docker-compose.yml

---
version: "3.8"

services:
  backend:
    container_name: backend
    entrypoint:
      - "sh"
      - "-c"
      - "npm i && npm run start"
    environment:
      NODE_ENV: development
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:3000"]
      interval: 1m30s
      timeout: 10s
      retries: 3
      start_period: 40s
    hostname: backend
    image: node:14
    ports:
      - "3001:3000"
    volumes:
      - ./backend:/app:z
      - /app/node_modules
    working_dir: "/app"

  frontend:
    container_name: frontend
    entrypoint:
      - "sh"
      - "-c"
      - "npm i && npm run start"
    environment:
      NODE_ENV: development
      BACKEND_URL: http://localhost:3001
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:3000"]
      interval: 1m30s
      timeout: 10s
      retries: 3
      start_period: 40s
    hostname: frontend
    image: node:14
    links:
      - backend
    ports:
      - "3000:3000"
    volumes:
      - ./frontend:/app:z
      - /app/node_modules
    working_dir: "/app"