services:
  db:
    image: postgres:16-alpine
    container_name: jcai-pg
    restart: unless-stopped
    environment:
      POSTGRES_USER: jcai
      POSTGRES_PASSWORD: jcai
      POSTGRES_DB: jcai
      # pgcrypto / uuid 由 init 脚本按需启用
      TZ: Asia/Shanghai
    ports:
      - '54329:5432'
    volumes:
      - jcai-pgdata:/var/lib/postgresql/data
      - ./db/init:/docker-entrypoint-initdb.d:ro
    healthcheck:
      test: ['CMD-SHELL', 'pg_isready -U jcai -d jcai']
      interval: 5s
      timeout: 3s
      retries: 20

volumes:
  jcai-pgdata: