title: Google cloud sdks doesn't start preview for Docker image Mac OS
body: <p>My app.yaml</p>
  <pre><code>runtime: custom
  vm: true
  api_version: 1
  health_check:
    enable_health_check: False
  </code></pre>
  <p>Dockerfile</p>
  <pre><code># Use the official go docker image built on debian.
  FROM golang:1.5.1
  
  # Grab the source code and add it to the workspace.
  ADD . /go/
  
  # Install revel and the revel CLI.
  RUN go get github.com/revel/revel
  RUN go get github.com/revel/cmd/revel
  
  # Use the revel CLI to start up our application.
  ENTRYPOINT revel run 4quorum-appengine dev 8080
  
  # Open up the port where the app is running.
  EXPOSE 8080
  </code></pre>
  <p>I was working through this article
  <a href="http://jbeckwith.com/2015/05/08/docker-revel-appengine/" rel="nofollow noreferrer">http://jbeckwith.com/2015/05/08/docker-revel-appengine/</a></p>
  <h2>Preview</h2>
  <p>I am trying to preview it:</p>
  <pre><code>gcloud preview app run app.yaml --custom-entrypoint &quot;revel run 4quorum-appengine dev 8080&quot;
  WARNING: The `app run` command is deprecated and will soon be removed.
  
  Please use dev_appserver.py (in the same directory as the `gcloud` command) instead.
  Module [default] found in file     [/Users/802619/Projects/src/4quorum_root/app.yaml]
  INFO: Looking for the Dockerfile in     /Users/802619/Projects/src/4quorum_root
  INFO: Using Dockerfile found in /Users/802619/Projects/src/4quorum_root
  INFO     2015-11-06 18:03:44,226 application_configuration.py:399] No version specified. Generated version id: 20151106t180344
  INFO     2015-11-06 18:03:44,226 devappserver2.py:763] Skipping SDK update check.
  INFO     2015-11-06 18:03:44,266 api_server.py:205] Starting API server at: http://localhost:62780
  INFO     2015-11-06 18:03:44,272 dispatcher.py:197] Starting module &quot;default&quot; running at: http://localhost:8080
  INFO     2015-11-06 18:03:44,277 admin_server.py:116] Starting admin server at: http://localhost:8000
  ERROR    2015-11-06 18:03:44,282 instance.py:280] [Errno 2] No such file or directory
  </code></pre>
  <p>The same thing if trying dev_appserver.py</p>
  <h2>Deploy</h2>
  <p>Deploy also doesn't work. Fails because of timeout.</p>
  <pre><code>gcloud preview app deploy ./app.yaml
  WARNING: Soon, deployments will set the deployed version to receive all traffic by
  </code></pre>
  <p>default.</p>
  <pre><code>To keep the current behavior (where new deployments do not receive any traffic),
  use the `--no-promote` flag or run the following command:
  
    $ gcloud config set app/promote_by_default false
  
   To adopt the new behavior early, use the `--promote` flag or run the     following
  command:
  
    $ gcloud config set app/promote_by_default true
  
    Either passing one of the new flags or setting one of these properties will
  </code></pre>
  <p>silence this message.</p>
  <pre><code> You are about to deploy the following modules:
   - vaulted-gift-112113/default (from   [/Users/802619/Projects/src/4quorum_root/app.yaml])
         Deployed URL: [https://20151106t204027-dot-vaulted-gift-      112113.appspot.com]
   (add --promote if you also want to make this module available from
   [https://vaulted-gift-112113.appspot.com])
  
  Beginning deployment...
  Verifying that Managed VMs are enabled and ready.
  
  Provisioning remote build service.
  Copying certificates for secure access. You may be prompted to create an SSH keypair.
  Building and pushing image for module [default]
  Saving [.dockerignore] to [/Users/802619/Projects/src/4quorum_root].
  ----------------------------- DOCKER BUILD OUTPUT ------------------------------
  Step 0 : FROM golang:1.5.1
  ---&gt; f6271e8f3723
  Step 1 : ADD . /go/
  ---&gt; 94fafc5e8a30
  Removing intermediate container cfbe197f6e93
  Step 2 : RUN go get github.com/revel/revel
  ---&gt; Running in d7ad8c923144
  ---&gt; b65877cf3049
  Removing intermediate container d7ad8c923144
  Step 3 : RUN go get github.com/revel/cmd/revel
  ---&gt; Running in 2a9b3320ce47
  ---&gt; 428defd008f3
  Removing intermediate container 2a9b3320ce47
  Step 4 : ENTRYPOINT revel run 4quorum-appengine dev 8080
  ---&gt; Running in 8b9e38ec69ec
  ---&gt; 3749ee8a6636
  Removing intermediate container 8b9e38ec69ec
  Step 5 : EXPOSE 8080
  ---&gt; Running in a0e6c66b56c8
  ---&gt; dafff62b9643
  Removing intermediate container a0e6c66b56c8
  Successfully built dafff62b9643
  --------------------------------------------------------------------------------
  
  Copying files to Google Cloud Storage...
  Synchronizing files to [gs://staging.vaulted-gift-112113.appspot.com/].
  Updating module [default]...|Deleted      [https://www.googleapis.com/compute/v1/projects/vaulted-gift-  112113/zones/us-central1-f/instances/gae-builder-vm-20151106t204027].
   Updating module [default]...failed.
  ERROR: (gcloud.preview.app.deploy) Error Response: [4] Timed out creating VMs.
  </code></pre>
  <p>About to drop this.</p>