Distributed Tracing with OpenTelemetryLet's say your POST /orders API is taking 5 seconds. Behind it, the Order Service calls Inventory Service, Payment Service and Notification Service, and some of them talk to databases. Metrics tell yo6 min read·vijay-belwal.hashnode.devOct 24
Observability basics for backend developersLet's say it is 2 AM and your phone buzzes. The alert says: "Response time above 3 seconds.(above SLA)" Good, you know something is wrong. But where? Which service? Which query? Since when? The alert5 min read·vijay-belwal.hashnode.devOct 24
Jev - System One Decision ModelLet's say you are building a chatbot or an AI agent. Before every user message reaches your main model, you want one safety check: "Is this a prompt injection attempt?" The answer you need is a simple2 min read·vijay-belwal.hashnode.devOct 18
Kubernetes Services: How Pods Talk to Each Other—and to YouKubernetes Services ensure reliable pod communication and external access using NodePort, ClusterIP, and LoadBalancer6 min read·vijay-belwal.hashnode.devAug 28
Kubernetes Deployment: Keeping Your Application Secure in Times of ChangeLet’s say your app is running beautifully in production. ✅ Users are happy ✅ Logs are clean ✅ Revenue is climbing Now... imagine you have to upgrade the app. New version just dropped. Do you just dele5 min read·vijay-belwal.hashnode.devAug 22
