GitHub Actions CI/CD Pipeline

Create a GitHub Actions workflow for [PROJECT TYPE].

Triggers: [PUSH TO MAIN/PR/TAGS]
Tests: [UNIT/INTEGRATION/E2E]
Deployment target: [VERCEL/AWS/GCP/KUBERNETES]

Workflow should:
- Cache dependencies
- Run linting and type checking
- Execute test suite with coverage
- Build Docker image
- Security scan (Snyk or Trivy)
- Deploy on success
- Notify on failure (Slack/email)

Include secrets management best practices.