# Houses 全套服务：docker compose --env-file deploy/.env.production up -d --build
# web 只监听本机端口，对外 HTTPS 由宿主机的 Caddy / nginx 反向代理到 127.0.0.1:${WEB_PORT}。
# 数据目录默认用 Docker 命名卷；服务器上可通过 *_DIR 变量改成系统盘上的目录（见 deploy/.env.production.example）。
name: houses

services:
  postgres:
    image: postgres:16-alpine
    restart: unless-stopped
    # 小内存服务器友好：房源与账单数据量不大，够用即可
    command: ["postgres", "-c", "shared_buffers=64MB", "-c", "max_connections=40", "-c", "effective_cache_size=256MB"]
    environment:
      POSTGRES_USER: ${POSTGRES_USER}
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
      POSTGRES_DB: ${POSTGRES_DATABASE}
    volumes:
      - ${PG_DATA_DIR:-pgdata}:/var/lib/postgresql/data
    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U ${POSTGRES_USER} -d ${POSTGRES_DATABASE}"]
      interval: 10s
      timeout: 5s
      retries: 10

  redis:
    image: redis:7-alpine
    restart: unless-stopped
    command: ["redis-server", "--requirepass", "${REDIS_PASSWORD}", "--appendonly", "yes", "--maxmemory", "64mb", "--maxmemory-policy", "allkeys-lru"]
    volumes:
      - ${REDIS_DATA_DIR:-redisdata}:/data
    healthcheck:
      test: ["CMD-SHELL", "redis-cli -a \"$${REDIS_PASSWORD}\" ping | grep PONG"]
      interval: 10s
      timeout: 5s
      retries: 10
    environment:
      REDIS_PASSWORD: ${REDIS_PASSWORD}

  api:
    image: houses-api:${HOUSES_VERSION:-latest}
    build:
      context: ./backend
    restart: unless-stopped
    env_file: ${HOUSES_ENV_FILE:-deploy/.env.production}
    environment:
      POSTGRES_HOST: postgres
      POSTGRES_PORT: "5432"
      REDIS_HOST: redis
      REDIS_PORT: "6379"
      UPLOAD_DIR: /data/uploads
    volumes:
      - ${UPLOADS_DIR:-uploads}:/data/uploads
    # 首次启动要执行数据库迁移，小内存服务器上可能超过 1 分钟；给足启动宽限，避免 web 因依赖判定失败而没起来
    healthcheck:
      test: ["CMD", "python", "-c", "import urllib.request,sys; sys.exit(0 if urllib.request.urlopen('http://127.0.0.1:8020/api/health', timeout=4).status == 200 else 1)"]
      interval: 15s
      timeout: 5s
      retries: 5
      start_period: 120s
    depends_on:
      postgres:
        condition: service_healthy
      redis:
        condition: service_healthy

  web:
    image: houses-web:${HOUSES_VERSION:-latest}
    build:
      context: ./frontend
    restart: unless-stopped
    ports:
      - "127.0.0.1:${WEB_PORT:-8080}:80"
    environment:
      # 高德 JS API 安全密钥，只在 nginx 代理里使用（Key 本身由 api 的 AMAP_KEY 下发）
      AMAP_SECURITY_CODE: ${AMAP_SECURITY_CODE:-}
    volumes:
      - ${UPLOADS_DIR:-uploads}:/data/uploads:ro
    depends_on:
      api:
        condition: service_healthy

volumes:
  pgdata:
  redisdata:
  uploads: