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GeezerVison is showing docs.cloud.google.com — App Engine Migration Center documentation | App Engine migration center | Google Cloud Documentation

App Engine Migration Center documentation

Read product documentation

The App Engine Migration Center provides migration resources to help you modernize your app to use the latest technologies.

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Guides

  • Migrate off App Engine legacy bundled services

  • Java: Migrate pull queues to Pub/Sub

  • Java: Migrate push queues to Cloud Tasks

  • Python: Migrate App Identity to OpenID Connect tokens

  • Python: Migrate Blobstore to Cloud Storage

  • Migrate from the standard environment to Cloud Run

  • Migrate from the flexible environment to Cloud Run

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Resources

  • App Engine standard environment documentation

  • App Engine flexible environment documentation

  • App Engine legacy documentation

Codelab
Training and tutorials

Python: Migrate from webapp2 to Flask

Learn how to migrate an App Engine app using webapp2 to the Flask web framework.

Codelab
Training and tutorials

Python: Migrate to Firestore in Datastore mode (Datastore)

Learn how to migrate from App Engine Datastore to Firestore in Datastore mode (Datastore).

Codelab
Training and tutorials

Python: Containerize your app for Cloud Run using Docker

Learn how to migrate an App Engine app to Cloud Run using Docker.

Codelab
Training and tutorials

Python: Containerize your app for Cloud Run using buildpacks

Learn how to migrate an App Engine app to Cloud Run using buildpacks.

Codelab
Training and tutorials

Java: Containerize your app for Cloud Run using buildpacks

Learn how to migrate an App Engine app to Cloud Run using buildpacks.

Codelab
Training and tutorials

Java: Containerize your app for Cloud Run using Docker

Learn how to migrate an App Engine app to Cloud Run using Docker.

Codelab
Training and tutorials

Java: Containerize your app for Cloud Run using Jib

Learn how to migrate an App Engine app toCloud Run using Jib.

Code sample
Code Samples

Python sample apps

Find Python samples for migrating off App Engine legacy bundled services.

Code sample
Code Samples

Java sample apps

Find Java samples for migrating off App Engine legacy bundled services.

Code sample
Code Samples

Nebulous sample apps

Find Python and Node.js samples for running the same apps on App Engine, Cloud Run functions, and Cloud Run.

Related videos

Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.

Last updated 2026-11-10 UTC.
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