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

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Documentation resources

Find quickstarts and guides, review key references, and get help with common issues.
Explore self-paced training from Google Cloud Skills Boost, use cases, reference architectures, and code samples with examples of how to use and connect Google Cloud services.
Training
Training and tutorials

Python: Migrate from webapp2 to Flask

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

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Training
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).

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Training
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.

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Training
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.

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Training
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.

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Training
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.

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Training
Training and tutorials

Java: Containerize your app for Cloud Run using Jib

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

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Code Samples
Code Samples

Python sample apps

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

Open GitHub  
Code Samples
Code Samples

Java sample apps

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

Open GitHub  
Code Samples
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.

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