Containerizing Applications Quick Start 1. Run impact analysis first (env vars, network topology, auth/CORS) 2. Generate Dockerfiles using patterns below 3. Create docker-compose.yml with proper networking 4. Package as Helm chart for Kubernetes Dockerfile Patterns FastAPI/Python (Multi-stage with uv) Next.js (Standalone) docker-compose Pattern Helm Chart Structure Chart.yaml values.yaml Pattern Helm Commands Battle-Tested Gotchas (15+) 1. Browser vs Server URLs Problem: Browser runs on host, server runs in container 2. Healthcheck IPv6 Issue Problem: fails with IPv6 3. MCP Server 421 Misdire…