version: "3"
services:
  database:
    image: "postgres:12-alpine"
    container_name: "database"
    environment:
      - POSTGRES_USER=totopia
      - POSTGRES_PASSWORD=totopia
      - POSTGRES_DB=totopia
    ports:
      - "54320:5432"
    volumes:
      - ./postgres/data:/var/lib/postgresql:z