DevOps Full Course for Beginners 2025 | Kubernetes: Deployments, Services, Ingress & PVC | Part
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00:00 Introduction
06:45 Docker - Container to container communication
22:10 NGINX
45:38 Kubernetes declarative
01:32:06 Configuration and secrets in kubernetes
01:56:37 Ingress
02:48:55 Storage and persistence in kubernetes
Welcome to Part 3 of the DevOps Full Course 2025 ๐. In this video, weโre moving beyond the basics and focusing on real-world, local-first DevOps workflows before deploying to the cloud.
๐ What Youโll Learn in Part 3 :
Docker networking refresher โ container-to-container communication + Nginx reverse proxy demo
Imperative vs Declarative โ why declarative is standard, Pods โ ReplicaSets โ Deployments โ Services
Resource management โ Namespaces for dev/prod, labels & selectors for mapping Services to Pods
Configurations โ ConfigMaps for app settings, Secrets for MongoDB URI/password, inject into backend
Ingress โ install NGINX ingress controller, path-based routing (/ โ frontend, /api โ backend), expose MERN app
Storage & persistence โ solve emptyDir data loss with PersistentVolumeClaims, attach PVC to Mongo, demo persistence across pod restarts
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