---
services:
  postgres:
    image: postgres:16.2
    container_name: postgres
    environment:
      - POSTGRES_USER=${POSTGRES_USER}
      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
      # (Optional) when creating a new database
      # - POSTGRES_DB=${POSTGRES_DB}
    ports:
      - 5432:5432
    volumes:
      - postgres-data:/var/lib/postgresql/data
    restart: unless-stopped

volumes:
  postgres-data: