node-docker-example/docker-compose.yml

version: '3.8'

services:
  nginx:
    container_name: nginx
    restart: always
    image: nginx:latest
    volumes:
      - ./nginx/default.conf:/etc/nginx/conf.d/default.conf
    ports:
      - 80:80
    depends_on:
      - nodejs
    networks:
      - app-network
  nodejs:
    container_name: nodejs
    restart: always
    build:
      context: .
      target: production
      dockerfile: Dockerfile
    ports:
      - ${PORT}:${PORT}
    env_file:
      - .env
    environment:
      - NODE_ENV=production
      - PG_HOST=postgres
      - PG_PORT=5432
      - PG_USER=postgres
      - PG_PASSWORD=1234
      - PG_DB_NAME=articles
    volumes:
      - ./:/home/node/app
      - node_modules:/home/node/app/node_modules
    command:
      [
        './scripts/wait-for.sh',
        'postgres:5432',
        '--',
        'dumb-init',
        'node',
        'index.js',
      ]
    networks:
      - app-network
    depends_on:
      - postgres
  postgres:
    container_name: postgres
    image: postgres:14
    volumes:
      - postgres_volume:/var/lib/postgresql/data
      - ./sql/schema_init.sql:/docker-entrypoint-initdb.d/schema_init.sql
      - ./sql/seed.sql:/docker-entrypoint-initdb.d/seed.sql
    environment:
      POSTGRES_USER: ${PG_USER}
      POSTGRES_PASSWORD: ${PG_PASSWORD}
      POSTGRES_DB: ${PG_DB_NAME}
    ports:
      - 5432:5432
    networks:
      - app-network
volumes:
  postgres_volume:
  node_modules:
networks:
  app-network:
    driver: bridge