Release Guide
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This document describes how to release Flagger.
To release a new Flagger version (e.g. 2.0.0) follow these steps:
create a branch git checkout -b release-2.0.0
set the version in code and manifests TAG=2.0.0 make version-set
commit changes and merge PR
checkout main git checkout main && git pull
tag main make release
To release a new Flagger load tester version (e.g. 2.0.0) follow these steps:
create a branch git checkout -b release-ld-2.0.0
set the version in code (cmd/loadtester/main.go#VERSION)
set the version in the Helm chart (charts/loadtester/Chart.yaml and values.yaml)
set the version in manifests (kustomize/tester/deployment.yaml)
commit changes and push the branch upstream
in GitHub UI, navigate to Actions and run the push-ld workflow selecting the release branch
after the workflow finishes, open the PR which will run the e2e tests using the new tester version
merge the PR if the tests pass
After the tag has been pushed to GitHub, the CI release pipeline does the following:
creates a GitHub release
pushes the Flagger binary and change log to GitHub release
pushes the Flagger container image to GitHub Container Registry
pushed the Flagger install manifests to GitHub Container Registry
signs all OCI artifacts and release assets with Cosign and GitHub OIDC
pushes the Helm chart to github-pages branch
GitHub pages publishes the new chart version on the Helm repository
The documentation website is built from the docs branch.
After a Flagger release, publish the docs with:
git checkout main && git pull
git checkout docs
git rebase main
git push origin docs
Lastly open a PR with all the docs changes on fluxcd/website to update fluxcd.io/flagger.