simple django + nginx + gunicorn docker-compose

docker-compose.prod.yml

version: '3'

services:
  db:
    image: postgres
    restart: unless-stopped

  web:
    build: .
    command: gunicorn -b 0.0.0.0:8000 app.wsgi
    ports:
      - "8000"
    depends_on:
      - db
    environment:
      VIRTUAL_HOST: localhost
      DJANGO_SETTINGS_MODULE: app.settings.prod
    volumes:
      - media:/code/media
      - static:/code/static
    restart: unless-stopped

  nginx:
    image: jwilder/nginx-proxy
    ports:
      - "80:80"
    depends_on:
      - web
    volumes:
      - static:/var/www/static
      - media:/var/www/media
      - ./nginx/vhost.d:/etc/nginx/vhost.d:ro
      - /var/run/docker.sock:/tmp/docker.sock:ro
    restart: unless-stopped

volumes:
  static:
  media:

Dockerfile

FROM python:3
ENV PYTHONUNBUFFERED 1
RUN mkdir /code
WORKDIR /code
COPY requirements.txt /code/
RUN pip install -r requirements.txt
COPY . /code/

localhost

# ./nginx/vhost.d/localhost

location /static {
    alias /var/www/static;
}

location /media {
    alias /var/www/media;
}