services:

  # ── 1. PostgreSQL Database ──────────────────────────────────────────────────
  postgres:
    image: postgres:16-alpine
    container_name: nitheeshwork-postgres
    restart: unless-stopped
    environment:
      POSTGRES_DB: taskdb
      POSTGRES_USER: taskuser
      POSTGRES_PASSWORD: taskpass
    volumes:
      - postgres_data:/var/lib/postgresql/data
    networks:
      - nitheeshwork-net
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U taskuser -d taskdb"]
      interval: 10s
      timeout: 5s
      retries: 5

  # ── 2. Redis Cache ──────────────────────────────────────────────────────────
  redis:
    image: redis:7-alpine
    container_name: nitheeshwork-redis
    restart: unless-stopped
    command: redis-server --appendonly yes
    volumes:
      - redis_data:/data
    networks:
      - nitheeshwork-net
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 5s
      retries: 5

  # ── 3. Node.js/Express Backend API ─────────────────────────────────────────
  backend:
    build:
      context: ./backend
      dockerfile: Dockerfile
    container_name: nitheeshwork-backend
    restart: unless-stopped
    environment:
      POSTGRES_HOST: postgres
      POSTGRES_DB: taskdb
      POSTGRES_USER: taskuser
      POSTGRES_PASSWORD: taskpass
      REDIS_HOST: redis
      PORT: 4000
    ports:
      - "4000:4000"
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy
    networks:
      - nitheeshwork-net

  # ── 4. Nginx – Frontend + Reverse Proxy ────────────────────────────────────
  frontend:
    image: nginx:1.25-alpine
    container_name: nitheeshwork-frontend
    restart: unless-stopped
    ports:
      - "8080:80"
    volumes:
      - ./frontend:/usr/share/nginx/html:ro
      - ./nginx/default.conf:/etc/nginx/conf.d/default.conf:ro
    depends_on:
      - backend
    networks:
      - nitheeshwork-net

  # ── 5. pgAdmin – Database Web UI ───────────────────────────────────────────
  pgadmin:
    image: dpage/pgadmin4:latest
    container_name: nitheeshwork-pgadmin
    restart: unless-stopped
    environment:
      PGADMIN_DEFAULT_EMAIL: admin@nitheeshwork.com
      PGADMIN_DEFAULT_PASSWORD: adminpass
      PGADMIN_CONFIG_SERVER_MODE: "False"
      PGADMIN_CONFIG_MASTER_PASSWORD_REQUIRED: "False"
    volumes:
      - pgadmin_data:/var/lib/pgadmin
    ports:
      - "5050:80"
    depends_on:
      - postgres
    networks:
      - nitheeshwork-net

volumes:
  postgres_data:
    name: nitheeshwork-postgres-data
  redis_data:
    name: nitheeshwork-redis-data
  pgadmin_data:
    name: nitheeshwork-pgadmin-data

networks:
  nitheeshwork-net:
    driver: bridge