docker-compose.yml

services:
  postgres:
    image: postgres:${POSTGRES_VERSION}
    container_name: postgres_db
    restart: always
    env_file: 
      - .env
    environment:
      - POSTGRES_USER=${DB_USER}
      - POSTGRES_PASSWORD=${DB_PASSWORD}
      - POSTGRES_DB=${DB_NAME}
      - NODE_ENV=${NODE_ENV}
    ports:
      - "${DB_PORT}:5432" # Format: HOST_PORT:CONTAINER_PORT
    volumes:
      - postgres_data:/var/lib/postgresql/data
    networks:
      - my_network
    healthcheck: # Added healthcheck
      test: ["CMD-SHELL", "pg_isready -U ${DB_USER} -d ${DB_NAME}"]
      interval: 10s
      timeout: 5s
      retries: 5

  pgadmin:
    image: dpage/pgadmin4:${PGADMIN_VERSION}
    container_name: pgadmin
    restart: always
    env_file:
      - .env
    environment:
      - PGADMIN_DEFAULT_EMAIL=${PGADMIN_DEFAULT_EMAIL}
      - PGADMIN_DEFAULT_PASSWORD=${PGADMIN_DEFAULT_PASSWORD}
    ports:
      - "${PGADMIN_PORT}:80"
    volumes:
      - pgadmin_data:/var/lib/pgadmin
    depends_on:
      postgres: # Changed depends_on for pgadmin to use condition
        condition: service_healthy
    networks:
      - my_network

  backend:
    build:
      context: ./app/backend
      dockerfile: Dockerfile
    container_name: backend_app
    restart: always
    env_file:
      - .env
    ports:
      - "${BE_PORT}:3000" # Map host BE_PORT to container 3000
    volumes:
      - ./app/backend/logs:/app/logs # Mount logs directory
      # Optional: Mount source code for development (remove for production image)
      # - ./app/backend:/app
      # - /app/node_modules # Prevent host node_modules from overwriting container's
    depends_on:
      postgres: # Changed depends_on for backend to use condition
        condition: service_healthy
    networks:
      - my_network

  frontend:
    build:
      context: .
      dockerfile: app/frontend/Dockerfile
    container_name: frontend_app
    restart: always
    ports:
      - "${FE_PORT}:80" # Map host FE_PORT to container 80 (Nginx)
    depends_on:
      - backend # Frontend depends on backend for API calls
    networks:
      - my_network

volumes:
  postgres_data:
  pgadmin_data:

networks:
  my_network:
    driver: bridge # Explicitly define bridge network