GitHub Actions CI/CD

Core Objectives

• Security: Minimal permissions, secrets handling, OIDC
• Performance: Caching, matrix builds, parallelization
• Maintainability: Reusable workflows, composite actions
• Reliability: Concurrency control, retry logic

Essential Checklist

• Workflows use minimal permissions (permissions: {} at root)
• Secrets never logged or exposed in artifacts
• Concurrency control configured
• Timeout values set on all jobs
• Caching implemented for dependencies
• PR workflows use pull_request, not pull_request_target

Minimal Permissions