Spring Boot 4 microservices on Kind — gateway, MongoDB, Jaeger, Spring Cloud Kubernetes cross-namespace discovery, one make kind-up
Local Kubernetes lab on KinD — 7 Gateway API + 3 Ingress controllers side-by-side on one cluster (each its own LB IP), plus Cilium CNI-integrated Gateway API in a dedicated cluster; trusted HTTPS, Headlamp, Prometheus, RWX NFS, registry
Provision a multi-org Authentik hierarchy (groups, users, OAuth tokens) via its Go client, then gate an app with forward-auth; KinD or Compose
Customized Bitnami Tomcat Docker Image: Tomcat 9.0.34 + JDK 1.8 + additional management roles + allow management from any IP address