Deploying the Application

This part of the Python Guestbook code walkthrough shows how to deploy the application to App Engine.

This page is part of a multi-page tutorial. To start from the beginning and see instructions for setting up, go to Creating a Guestbook.

Deploying the app to App Engine

To upload the guestbook app, run the following command from within the appengine-guestbook-python directory of your application where the app.yaml and index.yaml files are located:

gcloud app deploy app.yaml index.yaml

Optional flags:

  • Include the --project flag to specify an alternate Cloud Platform Console project ID to what you initialized as the default in the gcloud tool. Example: --project [YOUR_PROJECT_ID]
  • Include the -v flag to specify a version ID, otherwise one is generated for you. Example: -v [YOUR_VERSION_ID]

The Datastore indexes might take some time to generate before your application is available. If the indexes are still in the process of being generated, you will receive a NeedIndexError message when accessing your app. This is a transient error, so try a little later if at first you receive this error.

To learn more about deploying your app from the command line, see Deploying a Python App.

Viewing your deployed application

To launch your browser and view the app at http://[YOUR_PROJECT_ID].appspot.com, run the following command:

gcloud app browse

What's next

You might want to check out the following features:

For a deeper dive into how App Engine works, see the documentation on the Python Runtime Environment, and request handling and routing.

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App Engine standard environment for Python