App Engine flexible environment custom runtimes support for Cloud Run
gcppreviewengineer
feature
Custom runtimes for App Engine flexible environment now support deployment to Cloud Run via the `gcloud beta app migrate-to-run` command. This feature is currently in Preview, allowing users to migrate existing App Engine applications to Cloud Run with improved flexibility. More details are available in the official documentation.
Features (1) ›
- App Engine flexible environment custom runtimes
Support for deploying your existing apps in the flexible environment to Cloud Run using the gcloud beta app migrate-to-run command is in Preview . For more information, see Deploy an App Engine app in the flexible environment to Cloud Run .
Read the original announcement →
https://docs.cloud.google.com/release-notes#June_29_2026