Abhishek Singh — Backend, Infrastructure & Product Engineer https://your-domain.com Senior backend and infrastructure engineer working across Golang, distributed systems, DevOps, Solidity, and end-to-end product development. en Cordoning a Kubernetes Node: Why You Need It, and Why It Alone Won't Move Your Pods What kubectl cordon actually does, why it doesn't evict running pods, and how we ended up cycling a Deployment's replica count after a cordon quietly did nothing. https://your-domain.com/blog/kubernetes-node-cordon-drain https://your-domain.com/blog/kubernetes-node-cordon-drain Wed, 05 Aug 2026 00:00:00 GMT ArgoCD Sync Waves and the Hook Job That Never Turned Healthy How ArgoCD sync waves and hooks decide when to move on, why a suspended Job hook stalls forever, and how a CronJob on an impossible schedule fixed it. https://your-domain.com/blog/argocd-sync-waves-stuck-hook-job https://your-domain.com/blog/argocd-sync-waves-stuck-hook-job Wed, 05 Aug 2026 00:00:00 GMT Building Reliable Background Workers in Go How to design Go workers with retries, idempotency, dead-letter queues, and graceful shutdowns. https://your-domain.com/blog/building-reliable-go-workers https://your-domain.com/blog/building-reliable-go-workers Sat, 01 Aug 2026 00:00:00 GMT What Cross-Team Migrations Teach You About Managing Engineering Work Practical lessons on coordinating engineering work across teams during a large, incremental infrastructure migration — without needing formal authority over anyone. https://your-domain.com/blog/managing-cross-team-migrations https://your-domain.com/blog/managing-cross-team-migrations Fri, 24 Jul 2026 00:00:00 GMT From Docker Image to Production Kubernetes Deployment Multi-stage Docker builds, Kubernetes Deployments and Services, health checks, resource limits, and the mistakes that most commonly break rollouts. https://your-domain.com/blog/kubernetes-deployment-guide https://your-domain.com/blog/kubernetes-deployment-guide Sat, 18 Jul 2026 00:00:00 GMT Leading by Example on Engineering Teams Technical leadership without a manager title — why the work you're willing to do yourself sets the standard for everyone around you. https://your-domain.com/blog/leading-by-example-engineering-teams https://your-domain.com/blog/leading-by-example-engineering-teams Fri, 10 Jul 2026 00:00:00 GMT Dead-Letter Queues: The Messages Your System Couldn't Process Why messages fail, how to design a dead-letter queue, and the replay and alerting tooling that makes one actually useful in production. https://your-domain.com/blog/understanding-dead-letter-queues https://your-domain.com/blog/understanding-dead-letter-queues Tue, 30 Jun 2026 00:00:00 GMT