ci-cd-workflows

CI/CD pipeline design, tool-neutral with GitHub Actions illustrations - stages (lint, typecheck, test, build, scan, deploy), fail fast ordering, parallel jobs, dependency caching, required checks, path filters, secrets handling in CI, OIDC and short-lived credentials, promotion between environments, flaky test policy, pipeline as code, runner security, concurrency and timeouts. Load when creating or reviewing pipelines, speeding up or debugging CI, setting required checks, handling secrets or cloud credentials in CI, or defining how builds are promoted to production.