Optimize Costs by Automatically Deleting Old Docker Images in Artifact Registry
· 4 min read
Tackling Rising Storage Costs in Artifact Registry
When using a CI/CD pipeline with tools like GitHub Actions to deploy to Google Cloud Run, a new Docker image is pushed to Artifact Registry with every run. While this is a very convenient system, old images will pile up if left unchecked. Have you ever been surprised by a higher-than-expected storage bill?
This article introduces how to solve this problem using Artifact Registry's "Cleanup Policies" feature. I'll provide a step-by-step guide on how to automatically delete unnecessary old Docker images to continuously optimize your storage costs.
This guide is based on the Google Cloud Console UI as of July 2025.