GitHub Actions CI/CD Pipeline

Create a complete GitHub Actions CI/CD pipeline for my project.

Project details:
- Repository type: [monorepo/single app]
- Language/Framework: [specify]
- Test framework: [e.g., Jest, pytest, JUnit]
- Deployment target: [AWS/GCP/Azure/Kubernetes/Heroku]
- Branch strategy: [GitFlow/trunk-based/feature branches]
- Required checks: [linting, testing, security scanning]

Pipeline requirements:
1. Trigger on: [push/PR/manual/scheduled]
2. Build and test stages
3. Security scanning (SAST/dependency scanning)
4. Docker image building and pushing
5. Environment-specific deployments (dev/staging/prod)
6. Rollback capability
7. Slack/Discord notifications
8. Caching for faster builds

Please include proper secret management and environment protection rules.