title: Gitlab runner not executing bash script
body: <p>I am trying to setup CI with gitlab and AWS. I have setup gitlab-runner properly on the aws instance running ubuntu 16.04. </p>
  
  <p>But I am getting this error while deploying.</p>
  
  <pre><code>Cloning repository...
  Cloning into '/builds/m4kamran/project-test'...
  Checking out ea183ff7 as production...
  Skipping Git submodules setup
  $ pip install docker-compose
  /bin/sh: eval: line 72: pip: not found
  ERROR: Job failed: exit code 127
  </code></pre>