devops 
Enterprise Jenkinsfile: SonarQube + OWASP + Harbor + K8s
A production-grade multi-branch Jenkinsfile with quality gates, CVE scanning, image push, and Kubernetes deploy with approval gates.
GitOps with ArgoCD and Kustomize on Kubernetes
Declarative app delivery using ArgoCD with Kustomize overlays for dev and prod environments.
Building a 3-Node Kubernetes Homelab on AlmaLinux
Setting up a production-grade bare-metal K8s cluster using kubeadm, Flannel CNI, and MetalLB.