GitHub Actions automates your development workflows. Here's how to build effective CI/CD pipelines.
Basic Workflow Structure
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Caching Dependencies
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Matrix Builds
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Environment Variables and Secrets
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Conditional Jobs
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Reusable Workflows
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Docker Build and Push
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Release Workflow
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Scheduled Workflows
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Composite Actions
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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
Conclusion
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.