version: "3.9"

x-api-env: &api-env
  DATABASE_URL: postgresql+asyncpg://postgres:${DB_PASSWORD:-postgres}@postgres:5432/tand_e
  DATABASE_URL_SYNC: postgresql://postgres:${DB_PASSWORD:-postgres}@postgres:5432/tand_e
  REDIS_URL: redis://redis:6379/0
  CELERY_BROKER_URL: redis://redis:6379/1
  CELERY_RESULT_BACKEND: redis://redis:6379/2
  STORAGE_BACKEND: minio
  STORAGE_ENDPOINT: http://minio:9000
  STORAGE_ACCESS_KEY: ${MINIO_ACCESS_KEY:-minioadmin}
  STORAGE_SECRET_KEY: ${MINIO_SECRET_KEY:-minioadmin}
  JWT_SECRET_KEY: ${JWT_SECRET_KEY:-change-me-in-production}
  ENVIRONMENT: development
  DEBUG: "true"
  CORS_ORIGINS: '["http://localhost:8501","http://frontend:8501"]'

services:
  # ── Backend API ──
  api:
    build:
      context: .
      dockerfile: deploy/docker/api/Dockerfile
    ports:
      - "8000:8000"
    environment:
      <<: *api-env
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy
      minio:
        condition: service_started
    volumes:
      - ./backend:/app
    command: uvicorn app.main:app --host 0.0.0.0 --port 8000 --reload
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8000/health"]
      interval: 30s
      timeout: 10s
      retries: 5
      start_period: 15s

  # ── Celery Worker ──
  celery-worker:
    build:
      context: .
      dockerfile: deploy/docker/celery/Dockerfile
    command: celery -A app.tasks.celery_app worker --loglevel=info --concurrency=4 --queues=default,high,low
    environment:
      <<: *api-env
    depends_on:
      - api
      - redis
      - postgres
    volumes:
      - ./backend:/app

  # ── Celery Beat (scheduled tasks) ──
  celery-beat:
    build:
      context: .
      dockerfile: deploy/docker/celery/Dockerfile
    command: celery -A app.tasks.celery_app beat --loglevel=info
    environment:
      <<: *api-env
    depends_on:
      - api
      - redis
    volumes:
      - ./backend:/app

  # ── Streamlit Frontend ──
  frontend:
    build:
      context: .
      dockerfile: deploy/docker/frontend/Dockerfile
    ports:
      - "8501:8501"
    environment:
      API_BASE_URL: http://api:8000
    depends_on:
      - api
    volumes:
      - ./frontend:/app/frontend
    command: streamlit run frontend/app.py --server.port=8501 --server.address=0.0.0.0

  # ── Database ──
  postgres:
    image: postgres:16-alpine
    environment:
      POSTGRES_DB: tand_e
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: ${DB_PASSWORD:-postgres}
    volumes:
      - postgres-data:/var/lib/postgresql/data
      - ./deploy/migrations:/docker-entrypoint-initdb.d
    ports:
      - "5432:5432"
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U postgres"]
      interval: 10s
      timeout: 5s
      retries: 5
      start_period: 10s

  # ── Cache & Message Queue ──
  redis:
    image: redis:7-alpine
    command: redis-server --appendonly yes --maxmemory 256mb --maxmemory-policy allkeys-lru
    volumes:
      - redis-data:/data
    ports:
      - "6379:6379"
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 5s
      retries: 5

  # ── Object Storage (S3-compatible) ──
  minio:
    image: minio/minio:latest
    command: server /data --console-address ":9001"
    environment:
      MINIO_ROOT_USER: ${MINIO_ACCESS_KEY:-minioadmin}
      MINIO_ROOT_PASSWORD: ${MINIO_SECRET_KEY:-minioadmin}
    volumes:
      - minio-data:/data
    ports:
      - "9000:9000"
      - "9001:9001"

  # ── Monitoring ──
  flower:
    image: mher/flower:2.0
    command: celery flower --broker=redis://redis:6379/0
    ports:
      - "5555:5555"
    depends_on:
      - redis

volumes:
  postgres-data:
  redis-data:
  minio-data: