market-data-service/docker-compose.prod.yml

version: '3.8'

services:
  # PostgreSQL Database Service (Production)
  db:
    image: postgres:15-alpine
    container_name: market-data-db-prod
    environment:
      POSTGRES_USER: ${DB_USER:-postgres}
      POSTGRES_PASSWORD: ${DB_PASSWORD}
      POSTGRES_DB: ${DB_NAME:-financial_data}
      PGDATA: /var/lib/postgresql/data/pgdata
    volumes:
      - market_data_db_data_prod:/var/lib/postgresql/data
      - ./docker/init-db.sh:/docker-entrypoint-initdb.d/init-db.sh
    # No exposed ports in production (internal only)
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${DB_USER:-postgres} -d ${DB_NAME:-financial_data}"]
      interval: 10s
      timeout: 5s
      retries: 5
    networks:
      - market-data-network
    restart: unless-stopped
    # Production security: run as non-root
    user: "999:999"

  # Node.js API Service (Production)
  api:
    build:
      context: .
      dockerfile: Dockerfile
      target: production
    container_name: market-data-api-prod
    environment:
      - NODE_ENV=production
      - PORT=3000
      - DB_HOST=db
      - DB_PORT=5432
      - DB_NAME=${DB_NAME:-financial_data}
      - DB_USER=${DB_USER:-postgres}
      - DB_PASSWORD=${DB_PASSWORD}
      - CORS_ORIGIN=${CORS_ORIGIN:-*}
      - JWT_SECRET=${JWT_SECRET}
      - LOG_LEVEL=${LOG_LEVEL:-info}
    # No volume mounts in production (code is baked into image)
    # Optional: mount logs volume for persistence
    volumes:
      - market_data_logs_prod:/app/logs
    # No exposed ports (accessed only through nginx)
    depends_on:
      db:
        condition: service_healthy
    networks:
      - market-data-network
    restart: unless-stopped
    healthcheck:
      test: ["CMD", "node", "-e", "require('http').get('http://localhost:3000/health', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"]
      interval: 30s
      timeout: 10s
      start_period: 40s
      retries: 3

  # Nginx Reverse Proxy (Production)
  nginx:
    image: nginx:alpine
    container_name: market-data-nginx-prod
    ports:
      - "80:80"
      - "443:443"
    volumes:
      - ./nginx/nginx.prod.conf:/etc/nginx/nginx.conf:ro
      # SSL certificates (mount your certbot certificates here)
      - ${SSL_CERT_PATH:-./ssl/certs}:/etc/nginx/ssl/certs:ro
      - ${SSL_KEY_PATH:-./ssl/private}:/etc/nginx/ssl/private:ro
    depends_on:
      api:
        condition: service_healthy
    networks:
      - market-data-network
    restart: unless-stopped
    healthcheck:
      test: ["CMD", "wget", "--quiet", "--tries=1", "--spider", "http://localhost/health"]
      interval: 30s
      timeout: 10s
      retries: 3

volumes:
  market_data_db_data_prod:
    driver: local
  market_data_logs_prod:
    driver: local

networks:
  market-data-network:
    driver: bridge