Enterprise Kafka Platform — Proxy, Console, and Multi-Environment Promotion

[alexcreasy]

• Kroxylicious - Kafka proxy layer demonstrating transparent encryption and schema enforcement without client-side changes, deployed and managed via ArgoCD
• StreamsHub Console - Web UI for Kafka cluster management, topic browsing, and consumer group monitoring, integrated as an ArgoCD-managed component
• Multi-environment promotion pattern - demonstrate how to promote Kafka configurations across dev → staging → prod using Git branches or directory-based overlays with ArgoCD, showing the full GitOps lifecycle
  Security hardening examples - network policies, TLS everywhere, RBAC scoping