In the release stage, we'll push Docker images to the registry as well as the project's Helm Chart. The images will be tags of the image under test, but this time they will be named using a convention that clearly indicates that they are production- ready.
In the build stage, we're tagging images by including the branch name. That way, we made it clear that an image is not yet thoroughly tested. Now that we executed all sorts of tests that validated that the release is indeed working as expected, we can re-tag the images so that they do not include branch names. That way, everyone in our organization can easily distinguish yet-to-be-tested from production-ready releases.
Since we cannot know (easily) whether the Chart included in the project's repository changed or not, during this stage, we'll push it to ChartMuseum. If the...