services:
  postgres:
    image: postgres:16-alpine
    environment: { POSTGRES_USER: lib, POSTGRES_PASSWORD: lib, POSTGRES_DB: lib }
    ports: ["5433:5432"]
    healthcheck: { test: ["CMD-SHELL", "pg_isready -U lib"], interval: 2s, timeout: 2s, retries: 30 }
  redis:
    image: redis:7-alpine
    ports: ["6380:6379"]