Kubernetes ConfigMaps & Secrets Explained with Demo | Day 12 K8s Tutorial

🚀 Welcome to Day 12 of our Kubernetes Series! In this video, we continue learning Kubernetes with ConfigMaps and Secrets — two essential building blocks for real-world cloud apps. 📌 Watch this full demo as we learn: ✅ What is a ConfigMap ✅ Why we need ConfigMaps & Secrets ✅ How to create a ConfigMap from the k8s-playlist ✅ How to inject values into a Pod using env variables ✅ How to use volumeMounts for dynamic config ✅ Why Secrets are needed for sensitive data ✅ Interview-ready explanation you can use today 📂 Code Repository: 🔗 https://github.com/minaxijoshi3101/k8s-playlist.git All example YAML files used in this video are inside the Day12 folder of the repo. 🔍 What you’ll learn How to create a ConfigMap in cluster How to reference ConfigMap in a Deployment Why environment variables won’t auto-update How to use volumeMounts for ConfigMaps How to pass config data safely Real Kubernetes workflow with Git + kubectl 📥 Useful Commands Covered kubectl apply -f sehstudents-cm.yaml kubectl get pods kubectl describe configmap sehstudents-cm kubectl exec -it pod -- env | grep -i DB kubectl rollout restart deploy sehstudents-deployment 💡 In the next video: We’ll learn how to create and use Secrets in Kubernetes, and how they differ from ConfigMaps — with a live demo. 👍 If this video helped you: ✔ Hit Like 📤 Share with your friends 🔔 Subscribe to the channel Leave a comment below with any questions — happy to help! 📘 Happy learning and see you in the next video! 🚀#kubernetes #devopssoftware #CICD #Kubernetes #Jenkins #Docker #OpenShift #Groovy #SonarQube #Artifactory