karol-blaszczyk

How to push tagged Docker releases to Google Artifact Registry with a GitHub Action

Here's how I configured a GitHub Action so that a new version issued by GitHub's release interface will build a Dockerfile, tag it with the version number and upload it to Google Artifact Registry.

Before you attempt the steps below, you need the following:

• A GitHub repository that contains a working Dockerfile
• The Google Cloud SDK tool gcloud installed and authenticated

Create a Workload Identity Federation

karol-blaszczyk

# git repo status in prompt functions
# ripped from <https://github.com/twolfson/sexy-bash-prompt/blob/master/.bash_prompt>
# with small changes
#
function _get_git_branch() {
  # On branches, this will return the branch name
  # On non-branches, (no branch)
  _REF="$(git symbolic-ref HEAD 2> /dev/null | sed -e 's/refs\/heads\///')"
  if [[ $_REF != "" ]]; then
    echo $_REF