Continuous Integration (CI)
Automatically build and test code on every push.
Code Push → Build → Test → Report
Continuous Deployment (CD)
Automatically deploy after successful tests.
CI Pass → Deploy Staging → Deploy Production
Benefits
- Faster feedback - Know if code breaks immediately
- Reduced risk - Small, frequent deployments
- Consistency - Same process every time
- Quality - Automated testing catches bugs
CI/CD for Rails
Push → Install Dependencies → Run Tests →
Lint Code → Security Scan → Build Image → Deploy
Popular Tools
- GitHub Actions (we'll use this)
- GitLab CI
- CircleCI
- Jenkins
- Travis CI
What We'll Build
A complete pipeline that:
- Runs RSpec tests
- Checks code with RuboCop
- Scans for security issues
- Builds Docker image
- Deploys to production