AGAnjali Garginlearnera.hashnode.devWhat Happens When an AWS Region Goes Down?Introduction When building applications on AWS, many developers deploy their backend in a single region. It works perfectly most of the time, but what happens if that region becomes unavailable? AWS o12h ago·4 min read
DNDhruv Nakumindhruvnakum.xyzDiving into Docker (Part 4): Containerizing an appDocker is all about taking an application and running it inside a container. As we saw in the previous blog, a container is a lightweight package that has your app plus everything it needs to run. Thi8h ago·9 min read
SMSulthan Mohaideeninsulthannk.hashnode.devStop Burning Your Free GitHub Actions Minutes - Test React Native CI/CD Pipelines Locally with Expo-RN-RunnerYou're building a React Native app. You set up a GitHub Actions pipeline. And then it starts. Tweak the YAML → commit → push → wait 8 minutes → fail on line 4 Fix it → commit → push → wait 8 m18h ago·17 min read
CSCyril Sebastianintech.cyrilsebastian.comFrom Zero to Production: Building Postfix + AWS SES in 2 HoursWhat You Need Before Starting AWS account with SES access EC2 instance (t3a.medium, Amazon Linux 2023) Your domain's DNS access 2 hours of focused time That's it. Everything else, we'll build to1h ago·8 min read
KTKalyan Tamarapalliinktamarapalli.hashnode.devThe Attack Cost Escalation Model: Why Physical Security Changes Adversary EconomicsForcing Digital Supply-Chain Attacks Into the Physical World Introduction: Security Is Economics, Not Perfection Security architecture does not eliminate attacks.It reshapes the economics of attackin2h ago·5 min read
APAlex Parra (Parraletz)inparraletz.devA Git Commit Is Not Just a Change. It's a Command.A Git Commit Is Not Just a Change. It's a Command. Here's a scenario that plays out in a lot of platform teams. Your CI/CD pipeline runs kubectl apply as a job step. It exits zero. The pipeline goes green. Deployment successful — or so the dashboard ...15h ago·6 min read
MMakroumiinmakroumi.hashnode.devThe Query That Looks Instant in Development and Destroys Production at ScaleYou push the code on Friday afternoon. Tests pass. Staging looks fine. You deploy and go home. At 2am your phone rings. Response times are 8 seconds. Users are abandoning. The on-call engineer is star20h ago·6 min read
Sselfhostinginselfhostingsh.hashnode.devTypesense vs Elasticsearch: ComparedQuick Verdict Typesense is the better choice for self-hosters who need fast application search. It's simpler to set up, has built-in typo tolerance, and uses a fraction of the resources Elasticsearch requires. Elasticsearch is the better choice for l...6h ago·5 min read
ZFZainab Firdausinaiops-certified-professional.hashnode.devAIOps Certified Professional (AIOCP): AI-Driven IT Operations ExplainedIntroduction Modern IT systems are more complex than ever. Organizations now run applications across cloud platforms, microservices architectures, and distributed infrastructure. These environments ge19h ago·4 min read
CCustodiainpagebolt.hashnode.devProduction Screenshot Monitoring — Catch Visual Regressions Before Your Users DoProduction Screenshot Monitoring — Catch Visual Regressions Before Your Users Do Your team ships an update. Tests pass. Staging looks good. You deploy to production. Then: "The button is in the wrong place" or "The layout is broken on mobile" or "The...11h ago·4 min read
