docker-compose.yml

services:
  interview-postgres:
    image: postgres:17.6
    networks:
      - interview-network
    container_name: interview-postgres
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: postgres
      POSTGRES_DB: interview-db
    volumes:
      - postgres-data:/var/lib/postgresql/data
    restart: always
    ports:
      - 5432:5432
    healthcheck:
      test: ['CMD-SHELL', 'pg_isready -U postgres']
      interval: 10s
      timeout: 30s
      retries: 5

  interview-pgadmin:
    image: dpage/pgadmin4:latest
    container_name: interview-pgadmin
    restart: always
    ports:
      - 5050:80
    networks:
      - interview-network
    environment:
      PGADMIN_DEFAULT_EMAIL: admin@example.com
      PGADMIN_DEFAULT_PASSWORD: admin
      PGPASS_FILE: /pgpass/pgpass
    volumes:
      - pgadmin-data:/var/lib/pgadmin
      - ./setup/pgadmin/servers.json:/pgadmin4/servers.json:ro
      - ./setup/pgadmin/pgpass:/pgpass/pgpass:ro
    depends_on:
      interview-postgres:
        condition: service_healthy

  interview-redis:
    container_name: interview-redis
    image: redis:8.2.0
    networks:
      - interview-network
    ports:
      - 6379:6379
    volumes:
      - redis-data:/data
    # saves DB every 60 seconds if at least 1 key changed
    command: redis-server --save 60 1 --loglevel warning
    healthcheck:
      test: ['CMD', 'redis-cli', 'ping']
      interval: 5s
      timeout: 3s
      retries: 3

  app:
    container_name: app
    build:
      context: .
      dockerfile: Dockerfile.dev
    networks:
      - interview-network
    environment:
      NODE_ENV: development
      PORT: 4000
      DATABASE_URL: postgres://postgres:postgres@interview-postgres:5432/interview-db
      REDIS_URL: redis://interview-redis:6379

      # Make file watching reliable on macOS/Windows/docker-desktop
      CHOKIDAR_USEPOLLING: '1'
      WATCHPACK_POLLING: 'true'
      WATCHPACK_POLLING_INTERVAL: '1000'
    ports:
      - 4000:4000
      - 9229:9229
    volumes:
      - .:/app
      - node_modules:/app/node_modules
    depends_on:
      interview-postgres:
        condition: service_healthy
      interview-redis:
        condition: service_healthy

  migration:
    container_name: migration
    build:
      context: .
      dockerfile: Dockerfile.dev
    networks:
      - interview-network
    environment:
      NODE_ENV: development
      DATABASE_URL: postgres://postgres:postgres@interview-postgres:5432/interview-db
    volumes:
      - .:/app
      - node_modules:/app/node_modules
    command: npm run migrate
    depends_on:
      interview-postgres:
        condition: service_healthy
      app:
        condition: service_started

volumes:
  postgres-data:
  pgadmin-data:
  redis-data:
  node_modules:

networks:
  interview-network: