Deployment & CI/CD Ship code reliably and automatically. Deployment Philosophy The Deployment Pipeline Principles 1. Automate everything - No manual steps 2. Fail fast - Catch issues early 3. Rollback ready - Always have an escape 4. Environment parity - Dev ≈ Staging ≈ Prod 5. Observability - Know what's happening --- GitHub Actions Basic Workflow Matrix Builds Deploy on Push to Main Secrets Management Caching --- Docker Node.js Dockerfile Docker Compose .dockerignore --- Platform Deployments Vercel (Next.js) Railway Fly.io --- Environment Management Environment Files Environment Variables P…