docker-compose.yml

version: '3.7'

services:
  database:
    image: postgres:11.4-alpine
    volumes:
      - database:/var/lib/postgresql/data/
    ports:
      - 5433:5432
    env_file:
      - .env
  web:
    image: image:latest
    command: python /code/manage.py runserver 0.0.0.0:8000
    volumes:
      - .:/code
    ports:
      - 80:8000
    depends_on:
      - database
    entrypoint: /entrypoint.sh
    env_file:
      - .env
    links:
      - database
volumes:
  database:

Dockerfile

FROM python:3.7-slim
ENV PYTHONDONTWRITEBYTECODE 1
ENV PYTHONUNBUFFERED 1
WORKDIR /code
RUN pip install --upgrade pip && pip install pipenv
COPY Pipfile Pipfile.lock /code/
RUN pipenv install --system
COPY ./entrypoint.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh