django, postgres, redis, celery, nginx, uwsgi docker setup

docker-compose.yml

version: '2'
services:
  web:
    restart: always
    image: example.com:5000/myapp/myapp-backend
    env_file: env
    expose:
      - "8000"
    links:
      - db:db
      - redis:redis
    volumes:
      - static:/code/static
      - media:/code/media
    depends_on:
      - db
      - redis
    labels:
      io.rancher.container.pull_image: 'always'

  worker:
    restart: always
    image: rexample.com:5000/myapp/myapp-backend
    env_file: env
    links:
      - db:db
      - redis:redis
    volumes:
      - static:/code/static
      - media:/code/media
    depends_on:
      - db
      - redis
    labels:
      io.rancher.container.pull_image: 'always'
    command: bash -c "/venv/bin/celery -A moyobo.celery worker -l info"

  nginx:
    restart: always
    image: argo22/nginx-for-python
    expose:
      - "8000"
    links:
      - web:app
    volumes:
      - static:/code/static
      - media:/code/media
    depends_on:
      - web
    labels:
      io.rancher.container.pull_image: 'always'

  collectstatic:
    restart: on-failure
    image: example.com:5000/myapp/myapp-backend
    env_file: env
    command: bash -c "/venv/bin/python manage.py graphql_schema && /venv/bin/python manage.py collectstatic --no-input"
    links:
      - db:db
      - redis:redis
    volumes:
      - static:/code/static
      - media:/code/media
    depends_on:
      - db
    labels:
      io.rancher.container.start_once: 'true'
      io.rancher.container.pull_image: 'always'

  migrate:
    restart: on-failure
    image: example.com:5000/myapp/myapp-backend
    env_file: env
    command: /venv/bin/python manage.py migrate --no-input
    links:
      - db:db
      - redis:redis
    depends_on:
      - db
    labels:
      io.rancher.container.start_once: 'true'
      io.rancher.container.pull_image: 'always'

  redis:
    restart: always
    image: redis:alpine

  db:
    restart: always
    image: postgres:alpine
    env_file:
      - env
    expose:
      - "5432"
    volumes:
      - database:/var/lib/postgresql/data

volumes:
  database:
  static:
  media:

Dockerfile

FROM python:latest
ADD requirements.txt /requirements.txt
RUN python3.6 -m venv /venv \
    && /venv/bin/pip install -U pip \
    && LIBRARY_PATH=/lib:/usr/lib /bin/sh -c "/venv/bin/pip install --no-cache-dir -r /requirements.txt"

ENV PYTHONUNBUFFERED 1

# Copy your application code to the container (make sure you create a .dockerignore file if any large files or directories should be excluded)
RUN mkdir /code/
WORKDIR /code/
ADD . /code/

# uWSGI will listen on this port
EXPOSE 8000

# Add any custom, static environment variables needed by Django or your settings file here:
ENV DJANGO_SETTINGS_MODULE=myapp.settings

# uWSGI configuration (customize as needed):
ENV UWSGI_VIRTUALENV=/venv UWSGI_WSGI_FILE=myapp/wsgi.py UWSGI_HTTP=:8000 UWSGI_MASTER=1 UWSGI_WORKERS=2 UWSGI_THREADS=8 UWSGI_LAZY_APPS=1 UWSGI_WSGI_ENV_BEHAVIOR=holy

# Start uWSGI
CMD ["/venv/bin/uwsgi", "--http-auto-chunked", "--http-keepalive"]