version: '3.8'

services:
  # PostgreSQL Database
  postgres:
    image: swr.cn-north-4.myhuaweicloud.com/ddn-k8s/docker.io/postgres:15-alpine
    container_name: cosmo_postgres
    restart: unless-stopped
    environment:
      POSTGRES_DB: ${DATABASE_NAME:-cosmo_db}
      POSTGRES_USER: ${DATABASE_USER:-postgres}
      POSTGRES_PASSWORD: ${DATABASE_PASSWORD:-postgres}
      PGDATA: /var/lib/postgresql/data/pgdata
    volumes:
      - /opt/cosmo/data/postgres:/var/lib/postgresql/data
      - ./backend/scripts/init_db.sql:/docker-entrypoint-initdb.d/init_db.sql:ro
    ports:
      - "5432:5432"
    networks:
      - cosmo-network
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${DATABASE_USER:-postgres} -d ${DATABASE_NAME:-cosmo_db}"]
      interval: 10s
      timeout: 5s
      retries: 5

  # Redis Cache
  redis:
    image: swr.cn-north-4.myhuaweicloud.com/ddn-k8s/docker.io/redis:7-alpine
    container_name: cosmo_redis
    restart: unless-stopped
    command: >
      redis-server
      --appendonly yes
      --appendfsync everysec
      --maxmemory 512mb
      --maxmemory-policy allkeys-lru
    volumes:
      - /opt/cosmo/data/redis:/data
    ports:
      - "6379:6379"
    networks:
      - cosmo-network
    healthcheck:
      test: ["CMD", "redis-cli", "ping"]
      interval: 10s
      timeout: 3s
      retries: 5

  # Backend API (FastAPI)
  backend:
    build:
      context: ./backend
      dockerfile: Dockerfile
    container_name: cosmo_backend
    restart: unless-stopped
    environment:
      # Database
      DATABASE_HOST: postgres
      DATABASE_PORT: 5432
      DATABASE_NAME: ${DATABASE_NAME:-cosmo_db}
      DATABASE_USER: ${DATABASE_USER:-postgres}
      DATABASE_PASSWORD: ${DATABASE_PASSWORD:-postgres}
      DATABASE_POOL_SIZE: 20
      DATABASE_MAX_OVERFLOW: 10
      # Redis
      REDIS_HOST: redis
      REDIS_PORT: 6379
      REDIS_DB: 0
      REDIS_PASSWORD: ${REDIS_PASSWORD:-}
      REDIS_MAX_CONNECTIONS: 50
      # Application
      APP_NAME: "Cosmo - Deep Space Explorer"
      API_PREFIX: /api
      CORS_ORIGINS: ${CORS_ORIGINS:-http://localhost}
      # Cache
      CACHE_TTL_DAYS: 3
      # Upload
      UPLOAD_DIR: /app/upload
      MAX_UPLOAD_SIZE: 10485760
      # Proxy (for accessing NASA JPL Horizons API)
      HTTP_PROXY: ${HTTP_PROXY:-}
      HTTPS_PROXY: ${HTTPS_PROXY:-}
    volumes:
      - /opt/cosmo/data/upload:/app/upload
      - /opt/cosmo/data/logs/backend:/app/logs
    ports:
      - "8000:8000"
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy
    networks:
      - cosmo-network
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8000/health"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 40s

  # Frontend (Nginx + Static Files)
  frontend:
    build:
      context: ./frontend
      dockerfile: Dockerfile
      args:
        # Don't set VITE_API_BASE_URL to use relative path /api (recommended)
        # This allows the frontend to work with any domain/IP
        VITE_API_BASE_URL: ${VITE_API_BASE_URL:-}
    container_name: cosmo_frontend
    restart: unless-stopped
    volumes:
      - ./nginx/nginx.conf:/etc/nginx/nginx.conf:ro
    ports:
      - "80:80"
    depends_on:
      - backend
    networks:
      - cosmo-network
    healthcheck:
      test: ["CMD", "wget", "--quiet", "--tries=1", "--spider", "http://localhost/"]
      interval: 30s
      timeout: 10s
      retries: 3

networks:
  cosmo-network:
    driver: bridge

# Note: Volumes are mapped to host paths as specified
# Ensure /opt/cosmo/data directory exists with proper permissions