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After building and scaling his web app behind an Application Load Balancer (ALB), Arjun started getting unusual complaints: “Sometimes I log in, and then on the next click, I’m logged out!” He realized the problem wasn’t his app—it was how requests...

Introduction In Kubernetes, applications are typically designed to be stateless, meaning any pod can handle a request without requiring prior knowledge of a user session. However, certain use cases, such as authentication, shopping carts, or dashboar...
