Update Dockerfile

Dockerfile

@@ -16,8 +16,9 @@ RUN pip install --default-timeout=100 --upgrade pip && pip install -r /app/requi
 
 # We add the current content of the git repo in the /app directory
 ADD . /app
+WORKDIR /app
 RUN rm -rf .gitlab-ci.yml Dockerfile README.md img 
 # We use the CMD command to start the gunicorn daemon
 # when we start the container.
 # Note the $PORT variable, we will need to define it when we start the container
-CMD python /app/manage.py runserver 0.0.0.0:$PORT
+CMD python manage.py runserver 0.0.0.0:$PORT