OOnyiGlobal2025inonyiglobal2025.hashnode.dev·3d ago · 23 min readGitOps on AWS EKS — ArgoCD, Cognito, OIDC, HPA, ExternalDNS, ACM, and RDSHow I transformed a manually deployed app into a fully automated, self-healing, securely accessible production system A few months ago I completed Phase 3 of my TaskFlow DevOps Capstone. I never wrot00
HKHamed Karbasiinhamedkarbasi.com·5d ago · 18 min readBenchmark, Profile, Prove: A 12x Go Performance WinSomeone asked me a simple question about the Grafana Kafka Datasource plugin: how many messages per second can it actually handle? I had no honest answer. I had a feeling, and feelings are not numbers42N
OOnyiGlobal2025inonyiglobal2025.hashnode.dev·5d ago · 24 min read CI/CD on AWS EKS — GitHub Actions, Docker, ALB Ingress, Trivy, and Monitoring How I built a production-grade application delivery pipeline on AWS EKS If you think CI/CD means "run some scripts and push to production" — this article will change that perspective. Real CI/CD is a00
DCDanil Chernovinnocthost.hashnode.dev·5d ago · 8 min readFive Silent Failures in a Self-Hosted Grafana StackI run a small VPS hosting service on a single box, and until last week it had no monitoring at all. Adding Prometheus and Grafana took an afternoon. Making them tell the truth took considerably longer00
HHugoinhugovalters.hashnode.dev·6d ago · 4 min readIf You Can't See It, You Can't Fix It: Network Monitoring with SNMP & GrafanaI recently sat in a war room where three senior developers were arguing about whose microservice was causing “latency spikes” in the production environment. They were staring at application logs, deba00
YUYasvanth Udayakumarinyasvanth.hashnode.dev·Jul 26 · 16 min readI Built a Local Observability Stack for Claude Code: Traces, Tool Calls, Tokens, and CostI was building a Claude Code plugin — a few skills, a couple of MCP servers, some hooks, the usual pile of scripts. It mostly worked. That was the problem: "mostly worked" was the highest resolution I11K
NHNweke Henryinhenrycloud.hashnode.dev·Jul 24 · 10 min readThe Third Pillar — Distributed Traces Complete My Observability Stack (Week 6)Six weeks ago my boss sent a message on a Tuesday night. "Can you help with observability customisation?" I had never touched Prometheus. Never run Loki. Never heard of Tempo. Today the stack is compl00
NHNweke Henryinhenrycloud.hashnode.dev·Jul 14 · 8 min read My Alert Fired at 4:40am. Three Places Were Notified Before I Woke Up. (Week 5)Here is what happened while I was asleep. CPU hit 99.85% on my node at 4:40am. My terminal printed the alert. Slack sent a message to #observability-critical. My Gmail received an email. Five minutes 00
ARAravind Rino11y-lab.hashnode.dev·Jul 10 · 5 min readObservability Without the Invoice: An SRE's Open Source APM ExperimentI spent years as a Dynatrace power user — building Golden Signal dashboards, SLOs, and alerts at scale via Terraform for a Vehicle Commerce platform, and before that, running Dynatrace for a high-traf00
LBLalit Baggainblog.lalitbagga.com·Jul 9 · 5 min readObservability for ECS: Prometheus, Grafana, and Crash TestingCloudWatch logs tell you what happened after something goes wrong. They are reactive. What I wanted was something that shows me what is happening right now. CPU, memory, request rates, the shape of th00