Bits of .NET

Manually starting 5 different services for development? Docker Compose defines and runs multi-container apps.

# docker-compose.yml
version: '3.8'

services:
  # Node.js API
  api:
    build: ./api
    ports:
      - "3000:3000"
    environment:
      - NODE_ENV=development
      - REDIS_URL=redis://redis:6379
      - DATABASE_URL=postgresql://user:pass@db:5432/mydb
    volumes:
      - ./api:/app
      - /app/node_modules
    depends_on:
      - redis
      - db
    command: npm run dev

  # React Frontend
  frontend:
    build: ./frontend
    ports:
      - "8080:8080"
    volumes:
      - ./frontend:/app
      - /app/node_modules
    environment:
      - REACT_APP_API_URL=http://localhost:3000
    command: npm start

  # PostgreSQL Database
  db:
    image: postgres:14-alpine
    environment:
      - POSTGRES_USER=user
      - POSTGRES_PASSWORD=pass
      - POSTGRES_DB=mydb
    ports:
      - "5432:5432"
    volumes:
      - postgres_data:/var/lib/postgresql/data
      - ./init.sql:/docker-entrypoint-initdb.d/init.sql

  # Redis Cache
  redis:
    image: redis:7-alpine
    ports:
      - "6379:6379"
    volumes:
      - redis_data:/data

  # Nginx Reverse Proxy
  nginx:
    image: nginx:alpine
    ports:
      - "80:80"
      - "443:443"
    volumes:
      - ./nginx.conf:/etc/nginx/nginx.conf
      - ./ssl:/etc/nginx/ssl
    depends_on:
      - api
      - frontend

  # pgAdmin (Database GUI)
  pgadmin:
    image: dpage/pgadmin4
    environment:
      - PGADMIN_DEFAULT_EMAIL=admin@example.com
      - PGADMIN_DEFAULT_PASSWORD=admin
    ports:
      - "5050:80"
    depends_on:
      - db

volumes:
  postgres_data:
  redis_data:

# Start everything with:
# docker-compose up --build
# Stop with: docker-compose down
# View logs: docker-compose logs -f