@dineshkrish

Day 32 - Kubernetes Interview Q&A

Dec 15, 2025 · 3 min read · 1. Difference between Docker and Kubernetes Docker → Builds and runs containers.Kubernetes → Orchestrates containers across multiple nodes. Key points: Docker = container runtime. Kubernetes = container orchestration tool. Kubernetes provides auto...

Day 31 - KUBERNETES MONITORING USING PROMETHEUS & GRAFANA

Dec 15, 2025 · 4 min read · In this session, we learn how to monitor a Kubernetes cluster using Prometheus and Grafana.This is not just theory — there is a GitHub repository containing all installation commands and demo steps.The repo will also be enhanced later with advanced K...

Day 30 - Kubernetes ConfigMaps & Secrets

Dec 15, 2025 · 4 min read · 1. What is a ConfigMap in Kubernetes? A ConfigMap is used to store non-sensitive configuration data that your application needs — such as: Database port Connection type Any general configuration values In normal applications (non-Kubernetes), de...

Day 29 - Kubernetes Custom Resources

Dec 15, 2025 · 3 min read · Kubernetes normally supports built-in resources like: Deployment Service Pod ConfigMap Secret Ingress These are called native resources. Sometimes companies (Istio, ArgoCD, Prometheus Operator, Kyverno, etc.) want to add new features that Kub...

Day 28 - Kubernetes Service, Ingress, TLS & Ingress Controllers

Dec 15, 2025 · 4 min read · 1. Why Kubernetes Services Are Needed When a Pod is created in Kubernetes, it receives a dynamic IP address.If the Pod dies and restarts, its IP changes.So other Pods (like checkout → payments) cannot rely on Pod IP because it changes, creating issue...