## What this PR does The `Build cache (main)` workflow (`build-main.yaml`, added in #2948) failed on its first run: https://github.com/cozystack/cozystack/actions/runs/27929277423 The `Set up Buildx` step ran without `DOCKER_CONFIG`, so `docker/setup-buildx-action` created the docker-container builder under the runner's default `~/.docker`. The build step runs with `DOCKER_CONFIG=$RUNNER_TEMP/.docker` (seeded earlier, holding the OCIR auth), so buildx couldn't find the builder and failed immediately: ``` ERROR: no builder "builder-6fb46242-…" found ``` The post-job `docker buildx rm` still succeeded — because the action's cleanup runs under the default config where the builder actually lived — which confirms the builder existed but in the wrong config store. This sets `DOCKER_CONFIG` on the `Set up Buildx` step so the builder instance is created in the same config the build step reads. Impact: only the main cache-warmer was broken. PR builds `--cache-from` this ref, so a missing cache is a cold build, not a failure — but the warm-cache speedup from #2948 wasn't being delivered until this fix. ### Release note ```release-note NONE ``` <!-- This is an auto-generated comment: release notes by coderabbit.ai --> ## Summary by CodeRabbit * **Chores** * Improved build pipeline stability by ensuring consistent Docker configuration across workflow steps. This enhances the reliability of the container build and deployment process. <!-- end of auto-generated comment: release notes by coderabbit.ai -->
Cozystack
Cozystack is a free platform and framework for building clouds.
Cozystack is a CNCF Sandbox Level Project that was originally built and sponsored by Ænix.
With Cozystack, you can transform a bunch of servers into an intelligent system with a simple REST API for spawning Kubernetes clusters, Database-as-a-Service, virtual machines, load balancers, HTTP caching services, and other services with ease.
Use Cozystack to build your own cloud or provide a cost-effective development environment.
Use-Cases
-
Using Cozystack to build a public cloud
You can use Cozystack as a backend for a public cloud -
Using Cozystack to build a private cloud
You can use Cozystack as a platform to build a private cloud powered by Infrastructure-as-Code approach -
Using Cozystack as a Kubernetes distribution
You can use Cozystack as a Kubernetes distribution for Bare Metal
Documentation
The documentation is located on the cozystack.io website.
Read the Getting Started section for a quick start.
If you encounter any difficulties, start with the troubleshooting guide and work your way through the process that we've outlined.
Versioning
Versioning adheres to the Semantic Versioning principles.
A full list of the available releases is available in the GitHub repository's Release section.
Contributions
Contributions are highly appreciated and very welcomed!
In case of bugs, please check if the issue has already been opened by checking the GitHub Issues section. If it isn't, you can open a new one. A detailed report will help us replicate it, assess it, and work on a fix.
You can express your intention to on the fix on your own. Commits are used to generate the changelog, and their author will be referenced in it.
If you have Feature Requests please use the Discussion's Feature Request section.
Community
You are welcome to join our Telegram group and come to our weekly community meetings. Add them to your Google Calendar or iCal for convenience.
License
Cozystack is licensed under Apache 2.0.
The code is provided as-is with no warranties.
Commercial Support
A list of companies providing commercial support for this project can be found on official site.
