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KoalaSync/docs/devops.md
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# DevOps Release Workflow
This document describes the deployment and release process for KoalaSync.
## Tag-Based Releases
KoalaSync uses a gated release pipeline triggered by immutable Git tags.
> [!IMPORTANT]
> **DO NOT** edit individual version files or tag an unmerged branch. Run
> `npm run prepare:release -- MAJOR.MINOR.PATCH` on a branch, review all generated
> source changes, and merge them through a pull request with successful CI.
### How it Works
When an annotated tag matching exact `vMAJOR.MINOR.PATCH` is pushed, the GitHub
Actions workflow performs these ordered gates:
1. Confirms that the tag is annotated, points exactly at current `origin/main`,
and matches every committed version source.
2. Requires successful `verify`, `node20`, and `e2e` checks for that commit.
3. Re-runs release verification, cross-browser E2E, and an unpublished relay
container smoke test.
4. Builds and locally validates Chrome/Firefox archives, checksums, AMO output,
website output, archive parity, and manifests.
5. Creates an attested **draft** GitHub Release.
6. Publishes the multi-architecture relay image, verifies both platforms,
attestation identity, digest, tag source, and a running health check.
7. Makes the GitHub Release public only after every preceding gate succeeds.
The release workflow never writes to `main` and never derives shell code from a
tag. Version changes must pass normal branch protection first.
---
## Steps to Deploy a New Release
To release a new version (e.g., `v2.5.1`), follow these steps:
1. Create a release-preparation branch from current `main` and update every
version source atomically:
```bash
git checkout main
git pull origin main
git checkout -b release/v2.5.1
npm run prepare:release -- 2.5.1
npm run verify
```
2. Commit the release notes and prepared version changes, open a pull request,
and wait for required `verify`, `node20`, and `e2e` checks.
3. After the PR is merged, fast-forward local `main` and create an **annotated**
tag on that exact commit:
```bash
git checkout main
git pull --ff-only origin main
git tag -a v2.5.1 -m "Release v2.5.1"
```
4. Verify the tag target, then push it once:
```bash
test "$(git rev-parse v2.5.1^{commit})" = "$(git rev-parse origin/main)"
git push origin v2.5.1
```
Never reuse or move a published tag. Monitor every release job and verify both
the public GitHub assets and GHCR digest before calling the release complete.