New Beta Feature: Deep Dive into GitHub Actions Docker Builds with Docker Desktop

We’re excited to announce the beta release of a new feature for inspecting GitHub Actions builds directly in Docker Desktop 4.31. 

Centralized CI/CD environments, such as GitHub Actions, are popular and useful, giving teams a single location to build, test, and verify their deployments. However, remote processes, such as builds in GitHub Actions, often lack visibility into what’s happening in your Docker builds. This means developers often need additional builds and steps to locate the root cause of issues, making diagnosing and resolving build issues challenging. 

To help, we’re introducing enhancements in GitHub Actions Summary and Docker Desktop to provide a deeper understanding of your Docker builds in GitHub Actions.

Get a high-level view with Docker Build Summary in GitHub Actions 

We now provide Docker Build Summary, a GitHub Actions Summary that displays reports and aggregates build information. The Docker Build Summary offers additional details about your builds in GitHub Actions, including a high-level summary of performance metrics, such as build duration, and cache utilization (Figure 1). Users of docker/build-push-action and docker/bake-action will automatically receive Docker Build Summaries. 

Key benefits

• Identify build failures: Immediate access to error details eliminates the need to sift through logs.
• Performance metrics: See exactly how long the Docker Build stage took and assess if it met expectations.
• Cache utilization: View the percentage of the build that used the cache to identify performance impacts.
• Configuration details: Access information on build inputs to understand what ran during build time.

Figure 1: Animated view of Docker Build Summary in GitHub Actions, showing Build details, including Build status, error message, metrics, Build inputs, and more.

If further investigation is needed, we package your build results in a .dockerbuild archive file. This file can be imported to the Build View in Docker Desktop, providing comprehensive build details, including timings, dependencies, logs, and traces.

Import and inspect GitHub Actions Builds in Docker Desktop

Initially announced last year, the Build View in Docker Desktop now supports importing the dockerbuild archive from GitHub Actions, providing greater insight into your Docker builds. 

In Docker Desktop, navigate to the Builds View tab and use the new Import Builds button. Select the .dockerbuild file you downloaded to access all the details about your remote build as if you ran it locally (Figure 2). 

Figure 2: Animated view of Docker Desktop, showing steps to navigate to the Builds View tab and use the new Import Builds button.

You can view in-depth information about your build execution, including error lines in your Dockerfile, build timings, cache utilization, and OpenTelemetry traces. This comprehensive view helps diagnose complex builds efficiently.

For example, you can see the stack trace right next to the Dockerfile command that is causing the issues, which is useful for understanding the exact step and attributes that caused the error (Figure 3).

Figure 3: Inspecting a build error in Builds View.

You can even see the commit and source information for the build and easily locate who made the change for more help in resolving the issue, along with other useful info you need for diagnosing even the most complicated builds (Figure 4). 

Figure 4: Animated view of Docker Desktop showing info for inspecting an imported build, such as source details, build timing, dependencies, configuration, and more.

Enhance team collaboration

We aim to enhance team collaboration, allowing you to share and work together on Docker builds and optimizing the build experience for your team. These .dockerbuild archives are self-contained and don’t expire, making them perfect for team collaboration. Share the .dockerbuild file via Slack or email or attach it to GitHub issues or Jira tickets to preserve context for when your team investigates.

Get started

To start using Docker Build Summary and the .dockerbuild archive in Docker Desktop, update your Docker Build GitHub Actions configuration to:

• uses: docker/build-push-action@v5
• uses: docker/bake-action@v4

Then, update to Docker Desktop 4.31 to inspect build archives from GitHub Actions. Learn more in the documentation.

We are incredibly excited about these new features, which will help you and your team diagnose and resolve build issues quickly. Please try them out and let us know what you think!

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