anchor.diff:  
   To authenticate with GCR using <%= vars.product_name %>, you must create a JSON key file and associate it with your project:
   
  -1. Create a GCP service account. See [Creating and Enabling Service Accounts for Instances](https://cloud.google.com/compute/docs/access/create-enable-service-accounts-for-instances). 
  +1. Create a GCP service account. See [Creating and Enabling Service Accounts for Instances](https://cloud.google.com/compute/docs/access/create-enable-service-accounts-for-instances).
     <pre class="terminal">
     $ gcloud iam service-accounts create MY-ACCOUNT --display-name "MY DISPLAY NAME"
     </pre>
  
positive.code: 
  ###<a id='cf-ssh'></a>Requirement for cf ssh Support
  
  If you want to log in to your app container using the <code>cf ssh</code> command, you must make a shell such as <code>sh</code> or <code>bash</code> available in the container. 
  
  The SSH server in the container looks for the following executables in absolute locations or the <code>PATH</code> environment variable:
  <ul>
  
negative.code: ##<a id='requirements'></a>Requirements
  
  To push apps with Docker, you need the following:
  
  * A Cloud Foundry deployment that has Docker support enabled. To enable Docker support, see the [Enable Docker](https://docs.cloudfoundry.org/adminguide/docker.html#enable) section of _Using Docker in Cloud Foundry_ in the Cloud Foundry documentation.
  
  * A Docker image that meets the following requirements:
  