version: '3'

services:
    db:
        image: "postgres:12.2"
        environment:
            - POSTGRES_DB=postgres
            - POSTGRES_USER=postgres
            - POSTGRES_PASSWORD=postgres
        ports:
            - "5432:5432"
    web:
        build: .
        command: python3 manage.py runserver 0.0.0.0:8000
        volumes:
          - .:/app
        ports:
          - "8000:8000"
        depends_on:
            - db