Summary
The user is facing issues pushing images to a private registry (Harbor) after updating the Earthly tool from version 0.7.20 to the latest version. The older version allowed successful image pushes, but the new version results in a "connection refused" error when saving the image. The user noted that the buildkit configuration, particularly the http/insecure settings, may not be utilized correctly. Relevant configuration details from their Earthly config file were also provided.