title: Container exited with code 0 when run from docker-compose
body: <p>I am trying to run a container from  docker file. </p>
  
  <pre><code>**docker-compose.yml**
      services:
          djangoapp:
              build: .
              volumes:
                - .:/opt/services/djangoapp/src
              ports:
                - 8000:8000
  
  **Dockerfile** this is entry in Docker file
      ENTRYPOINT bash start.sh
  **start.sh**
      #!/bin/bash
      ## run gunicorn in background......
      gunicorn --chdir hello --bind :8000  hello_django.wsgi:application &amp;
  </code></pre>
  
  <p>when i build image from same <strong>Dockerfile</strong>, its working fine.
  when i launch from docker-compose up, it shows <strong>exited with code 0</strong>.
  <strong>I wanted to know the reason why my docker exited (Exited (0) 18 seconds ago)</strong> ??</p>