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Fully automated the performance check at production release, catching unintended score regressions before they ship.

Context

Automating performance monitoring in a monorepo and preventing quality regressions at deploy time.

What I did

• Introduced Lighthouse CI into a pnpm monorepo.
• Extracted a shared GitHub Actions workflow that only runs on affected apps when releasing to production.

Phases I owned

RequirementsEnvironment setupDesignRollout & operations

Team

Solo — a company-wide infrastructure improvement. CI/CD setup and DX improvement.

Environment

Next.jsTypeScriptGitHub ActionsTurborepopnpm workspace

Working language

Japanese · English