python：无法打开文件'python2'：[Errno 2]没有这样的文件或目录

Question

im trying to run my docker-compose and I keep getting this error whenever running docker-compose up This is my dockerfile:

FROM python:3.7
ADD . /todo
WORKDIR /todo
RUN pip install -r requirements.txt

My docker-compose:

web:
  build: .
  command: python2 -u app.py
  ports:
    - "5000:5000"
      #volumes:
      # - .:/todo
  links:
    - db
db:
  image: mongo:3.0.2

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any help would be greatly appreciated I've been stuck on this for a while!

Answer 1

I figured out the problem.
Make sure that you dump your containers and images before running docker-compose up and the error should go away.