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Backport #25381 by @techknowlogick The [docker/build-push-action@v2 action](https://github.com/docker/build-push-action) by default ignores the checkout created using the actions/checkout@v2 action. When you pass a git build context to docker build, it wouldn't include the .git directory. By passing `context: .` to the build step then it'll use the Actions git context which includes the git fetch from the earlier step. Co-authored-by: techknowlogick <techknowlogick@gitea.io>