GitHub Actions: Complete Workflow Guide

GitHub Actions automates your development workflows. Here's how to build effective CI/CD pipelines.

Environment Variables and Secrets#

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Best Practices#

Performance:
✓ Cache dependencies
✓ Use matrix for parallel jobs
✓ Cancel redundant runs
✓ Use appropriate runners

Security:
✓ Use secrets for credentials
✓ Pin action versions
✓ Limit token permissions
✓ Use environments for approvals

Organization:
✓ Use reusable workflows
✓ Create composite actions
✓ Document workflows
✓ Keep workflows focused

GitHub Actions enables powerful CI/CD automation. Start with basic workflows, add caching for performance, use matrix builds for comprehensive testing, and implement reusable workflows to reduce duplication. Secure your pipelines with proper secret management and environment protections.

GitHub Actions: Complete Workflow Guide

Basic Workflow Structure#

Caching Dependencies#

Matrix Builds#

Environment Variables and Secrets#

Conditional Jobs#

Reusable Workflows#

Docker Build and Push#

Release Workflow#

Scheduled Workflows#

Composite Actions#

Best Practices#

Conclusion#

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