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docs/dev/release-guide.md

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+# Release Guide
+
+This document describes how to release Flagger.
+
+## Release
+
+To release a new Flagger version (e.g. `2.0.0`) follow these steps:
+* create a branch `git checkout -b prep-2.0.0`
+* set the version in code and manifests `TAG=2.0.0 make version-set`
+* commit changes and merge PR
+* checkout master `git checkout master && git pull`
+* tag master `make release`
+
+## CI
+
+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 Docker Hub
+* pushes the Helm chart to github-pages branch
+* GitHub pages publishes the new chart version on the Helm repository
+
+## Docs
+
+The documentation [website](https://docs.flagger.app) is built from the `docs` branch.
+
+After a Flagger release, publish the docs with:
+* `git checkout master && git pull`
+* `git checkout docs`
+* `git rebase master`
+* `git push origin docs`
+
+
+