docker https://hub.docker.com/r/dukecheng/aspnetcore/ git tag -d v2.2-preview3 git push origin :refs/tags/v2.2-preview3 git tag -a v1.4 -m "my version 1.4" && git push --tags git tag -a v2.2-preview3 -m "v2.2-preview3 publish" && git push --tags