version: "3.9"

services:
  postgres:
    image: postgres:16
    container_name: postgres-db
    restart: unless-stopped

    environment:
      POSTGRES_DB: auctiondb
      POSTGRES_USER: auction
      POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}

    ports:
      - "5432:5432"   # LAN only, safe inside 192.168.1.x

    volumes:
      - ./data:/var/lib/postgresql/data
      - ./backup:/backup

    healthcheck:
      test: ["CMD-SHELL", "pg_isready -U auction -d auctiondb"]
      interval: 5s
      timeout: 2s
      retries: 10