dockerfile-compose for a celery worker with autoreload on code change

docker-compose.yml

version: "3"

services:

  redis:
    image: redis:alpine
    expose:
      - "6379"
    container_name: redis

  celery-worker:
    build:
      dockerfile: ./docker/celery-worker/Dockerfile
      context: .
    environment:
      - PWD
    volumes:
      - ${PWD}:/app
    container_name: celery-worker
    depends_on:
      - redis

Dockerfile

FROM python:3.6

RUN mkdir /app
ADD requirements.txt /app/
WORKDIR /app/
RUN pip install -r requirements.txt

CMD [ \
  "watchmedo", \
  "auto-restart", \
  "--directory", "./my_project", \
  "--patterns", "*.py", \
  "--recursive", \
  "--", \
  "celery", \
  "worker", \
  "-A", "my_project.celery", \
  "--concurrency", "1", \
  "--pool", "solo", \
  "--events", \
  "-l", "INFO" \
]