Cloud Run Revisions and Traffic Routing

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Cloud Run Revisions and Traffic Routing

In this lab, we’ll explore the traffic management options of Cloud Run. We’ll deploy an application, then roll out a breaking change and perform a rollback. Then, we’ll deploy a fix, with traffic splitting between our versions, before finally routing all traffic to the latest version. You should be familiar with the GCP console and Cloud Shell to perform this hands-on lab.

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Lab Info

Level

Beginner

Last updated

May 03, 2025

Duration

30m

Challenge

Deploy the Application
1. Use either the gcloud SDK or the GCP web console to create the Cloud Run service.
2. Use the container image with the blue tag from your project’s container registry to launch the blue version of the demo application.
Challenge

Roll Back a Breaking Change
1. Create a new revision of the service in Cloud Run by changing to the purple tag of the container image.
2. Roll back to the previous version by routing 100% of traffic to the old revision.
Note: You can achieve the above with either the gcloud SDK or the GCP web console.
Challenge

Perform a Gradual Rollout
1. Create a new revision of the service with the green tag of the container image, but deploy it without routing traffic.
2. Adjust the traffic splitting: Direct 50% of traffic to the new green version and 50% to the previous blue version.

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