title: could not find module workspace/server.js
body: <p>I am trying to launch a gcloud app engine using an example in fast-ai with a model that i developped
  <a href="https://github.com/imiled/google-app-engine" rel="nofollow noreferrer">https://github.com/imiled/google-app-engine</a>
  and followed the instructions in the fastai web page
  <a href="https://course.fast.ai/deployment_google_app_engine.html" rel="nofollow noreferrer">https://course.fast.ai/deployment_google_app_engine.html</a></p>
  
  <p>but it does not seem to work it raises the following error when i go to the page:</p>
  
  <p><em>Error: Server Error
  The server encountered an error and could not complete your request.
  Please try again in 30 seconds.</em></p>
  
  <p>here is the log that i got from the console:</p>
  
  <pre><code>miledismael@cloudshell:~/google-app-engine (classification-276710)$ gcloud app browse
  Did not detect your browser. Go to this link to view your app:
  https://classification-276710.ew.r.appspot.com
  miledismael@cloudshell:~/google-app-engine (classification-276710)$ gcloud app logs tail -s default
  Waiting for new log entries...
  2020-05-11 22:16:26 default[20200512t001309]  "GET / HTTP/1.1" 500
  2020-05-11 22:16:28 default[20200512t001309]  internal/modules/cjs/loader.js:983
  2020-05-11 22:16:28 default[20200512t001309]    throw err;
  2020-05-11 22:16:28 default[20200512t001309]    ^
  2020-05-11 22:16:28 default[20200512t001309]
  2020-05-11 22:16:28 default[20200512t001309]  Error: Cannot find module '/workspace/server.js'      at Funct
  ion.Module._resolveFilename (internal/modules/cjs/loader.js:980:15)      at Function.Module._load (internal/
  modules/cjs/loader.js:862:27)      at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main
  .js:74:12)      at internal/main/run_main_module.js:18:47 {
  2020-05-11 22:16:28 default[20200512t001309]    code: 'MODULE_NOT_FOUND',
  2020-05-11 22:16:28 default[20200512t001309]    requireStack: []
  2020-05-11 22:16:28 default[20200512t001309]  }
  </code></pre>
  
  <p>If anybody could help that would be great 
  thanks</p>