hardik0811arora.hashnode.dev🧠 Talking to Kubernetes Without kubectl — My First Raw API ExperimentToday I created and deleted a Kubernetes Pod without using kubectl — just curl and the Kubernetes API itself.And that small act completely changed how I see the cluster. ⚙️ Setting the Stage It started with a question — what really happens when I ru...Nov 22, 2025·3 min read
hardik0811arora.hashnode.devKubernetes RBAC in Action: Built a Superhero Admin Group⚔️A concise, hands-on guide to creating and verifying a custom super-user group in Kubernetes — complete with certificate-based identity and real-world access validation. 🧩 How Default Admin Works ComponentValue User (CN)kubernetes-admin Gro...Nov 22, 2025·2 min read
hardik0811arora.hashnode.devHow Argo CD Actually Syncs Kubernetes Manifests — Under the Hood💫Ever clicked “Sync” in Argo CD and wondered what’s really going on behind that magic button?Turns out, it’s not just pushing YAMLs to your cluster — it’s running a smart control loop that keeps your live state perfectly aligned with your Git state. L...Nov 22, 2025·4 min read
hardik0811arora.hashnode.devDeploying and Scaling a Kubernetes Guestbook ApplicationThis project demonstrates how to build, deploy, and scale a simple Guestbook application on Kubernetes. The workflow covers containerization, autoscaling, and safe rollout practices—core competencies for cloud-native operations. Step 1: Build and De...Nov 22, 2025·3 min read
hardik0811arora.hashnode.devDeploying a Multi-Environment Application with Argo CD🦑and Helm: A Complete GitOps🔄GuideGitOps has evolved from a niche concept to the cornerstone of modern Kubernetes delivery. This comprehensive guide details the deployment and management of a multi-environment microservice (Dev, QA, Prod) using Argo CD and Helm, with a sample Leaderb...Nov 22, 2025·4 min read
