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Release process

This page explains how to create a release of the Rollups Node by showing each step that should be performed, from updating the change log and testing the changes to announcing a release.

Pre-release procedure

Before starting the release process, we must confirm all project dependencies have been updated for the new release.

All related tasks are described in the update-dependencies issue template.

Pull latest changes

On your local machine, make sure to pull the latest changes made to the main branch.

Perform tests

Execute all end-to-end tests and whatever specific tests concerning the changes made at the release (let's use X.Y.Z as the release version number).

If necessary, fix any issues with the team by following the normal development workflow.

Once all tests pass and the main branch is up-to-date, proceed to the next step.

Update the CHANGELOG

Confirm the code changes listed under Unreleased are accurate, and then:

  • in the beginning of the file, replace the heading Unreleased with the version number of the new release, followed by the current date (YYYY-MM-DD);
  • at the end of the file, create a link to the differences from the new release to the previous one;
  • update the link to the differences related to the Unreleased changes.

Commit the changes, push them to the repository and create a corresponding pull request.

A sample commit may be found in the repository.

Create the release tag

Once the pull request is approved, merge it and update your local copy of the main branch.

Then, create a new tag for the release based on the main branch as follows:

git tag -a vX.Y.Z

Make sure to add a message to the tag commit as follows:

Release X.Y.Z

Then, push the tag to th repository:

git push origin vX.Y.Z

Check CI results

Check if the CI actions associated with the release pass.

After that, pull the docker image generated by the CI to make sure it's been pushed to Docker hub as follows:

docker pull cartesi/rollups-node:X.Y.Z

Update release information

Go to the Releases page and edit the current release by:

  • unchecking the Set as a pre-release;
  • checking the Set as the latest release.

Remember to save the changes after that.

Announce the release

Once the release information is updated, announce it on the appropriate communication channels. The announcement should contain:

  • the release number;
  • a link to the tag/release;
  • instructions on how to pull the corresponding docker image from Docker hub.

Update/create a maintenance branch

Either create a maintenance branch for any major or minor release and name it as release/X.Y.x or update an existing maintenance branch if the release is a patch release.

Prepare for the next release

Last but not least, prepare the CHANGELOG for the next release by creating a new heading (## [Unreleased]) in the beginning of the document. Create a pull request based on the main branch and merge it once it's approved.