land-and-deploy

Automating PR merge and production deployment involves merging a ready PR, waiting for CI to pass, deploying to a canary, and verifying health before full rollout. This approach blocks promotion until checks succeed and production health is confirmed.

Canary-based deployment in a CI/CD release workflow transfers control to a canary environment to validate production health before finalizing a full rollout. It blocks promotion until canary checks confirm stability after merging a PR.

Yes, automating merges and deployments requires a PR present for the current branch. It also needs a defined canary deployment path and access to deployment and monitoring tooling to verify production health.

Waiting for CI readiness before promoting a PR requires monitoring CI status and blocking deployment until checks succeed. Once CI passes, the workflow triggers canary deployment and verifies health before finalizing the release.

Canary health checks validate production health before finalizing deployment. If checks fail, the workflow blocks the post-merge promotion to full production, preventing a bad release from rolling out completely.