docker-compose.yml

version: '3.8' services:  postgres:    container_name: bk-postgres    image: postgres    restart: unless-stopped    environment:      - POSTGRES_USER=bkAdmin      - POSTGRES_PASSWORD=briefkasten      - POSTGRES_DB=briefkasten    ports:      - 5432:5432    volumes:      - briefkasten-db:/var/lib/postgresql/data  app:    container_name: bk-app    build: .    env_file:      - .env    restart: unless-stopped    ports:      - 3000:3000    depends_on:      - 'postgres'volumes:  briefkasten-db: