version: "3.9"

services:
  web:
    build: .
    ports:
      - "8000:80"
    volumes:
      - ./app:/app
  db:
    image: postgres:13
    environment:
      - POSTGRES_USER=myuser
      - POSTGRES_PASSWORD=mypassword
      - POSTGRES_DB=mydb
    volumes:
      - db_data:/var/lib/postgresql/data

volumes:
  db_data: