x-postgres-credentials: &postgres_credentials
  POSTGRES_USER: ${POSTGRES_USER:-postgres}
  POSTGRES_PASSWORD: ${POSTGRES_PASSWORD:-password}
  POSTGRES_DB: ${POSTGRES_DB:-chatdify}

x-app-common: &app_common
    build: .
    env_file:
      - .env
    environment:
      <<: *postgres_credentials
      DB_HOST: ${DB_HOST:-postgres}
      DB_PORT: ${DB_PORT:-5432}
    volumes:
      - ./app:/app/app

services:
  api:
    <<: *app_common
    command: fastapi dev --host 0.0.0.0 --port 8000
    restart: always
    ports:
      - "127.0.0.1:8000:8000"
    depends_on:
      postgres:
        condition: service_healthy
      worker:
        condition: service_started
      redis:
        condition: service_healthy
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8000/api/v1/health"]
      interval: 1200s
      timeout: 5s
      retries: 5

  worker:
    <<: *app_common
    command: celery -A app.tasks worker --loglevel=info --concurrency=4 --pool=prefork
    restart: always
    depends_on:
      redis:
        condition: service_healthy

  postgres:
    image: postgres:16
    restart: always
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U $${POSTGRES_USER:-postgres}"]
      interval: 5s
      timeout: 5s
      retries: 5
    volumes:
      - postgres_data:/var/lib/postgresql/data
    environment:
      <<: *postgres_credentials
    ports:
      - "127.0.0.1:5433:5432"

  redis:
    image: redis:6-alpine
    restart: always
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 5s
      timeout: 3s
      retries: 5
    volumes:
      - redis_data:/data
    ports:
      - "127.0.0.1:6380:6379"

volumes:
  postgres_data:
  redis_data: