- [x] Fix PR case, from forks. Login to Dockerhub can only work for the org repo, not for forks. For forks, only build; no login, no push. - [ ] Update Dockerhub description from `README.md` file of this repo. See https://github.com/docker/build-push-action/issues/21 for ideas on how to do so; (e.g.: https://github.com/marketplace/actions/docker-hub-description). NOTE: No PAT support -- see https://github.com/docker/hub-tool/issues/172#issuecomment-1001601965. - [ ] Add missing older versions from .travis.yml
README.mdfile of this repo. See Update Readme and description with push on Docker hub docker/build-push-action#21 for ideas on how to do so; (e.g.: https://github.com/marketplace/actions/docker-hub-description). NOTE: No PAT support -- see feature request: provide way to update a repo's description and full_description docker/hub-tool#172 (comment).