Here’s a problem you keep facing. You have no way of knowing at precisely at which point, in the complex network of microservice-to-microservice communications, a single HTTP transaction goes wrong! …

Tracetest is excited to announce v0.8! Haven’t heard of Tracetest yet? Tracetest is an open-source project that enables you to write integration, system, and E2E tests against your distributed or microservice-based application. It uses the observability you enabled by implementing a distributed tracing solution to empower a totally new, modern way of testing — Trace-Based Testing. …

What is the most important feature an Express.js application can have? Maybe using sockets for real-time chats or GraphQL instead of REST APIs? Come on, tell me. What’s the most amazing, sexy, and hyped feature you have in your Express.js application? Want to guess what mine is? Optimal performance with…

Where are Docker container logs stored? There’s a short answer, and a long answer. The short answer, that will satisfy your needs in the vast majority of cases, is: /var/lib/docker/containers/<container_id>/<container_id>-json.log From here you need to ship logs to a central location, and enable log rotation for your Docker containers. …

Have you ever grown tired of running the same kubectl commands again and again? Well, the good folks over at the Kubernetes team understand you. …

Node.js monitoring is a tricky task. There are certain challenges to look out for. Because Node.js is a dynamically typed programming language and single-threaded you give the interpreter and runtime a lot of freedom to make decisions. This can easily result in memory leaks and high CPU loads. Parallel execution…

Don’t you just hate it when APIs are failing and you have absolutely no clue why? Now imagine you don’t have access to the VM, cluster or container where your software is running. Want me to continue with this nightmare? Yes, that’s what debugging AWS Lambda functions tends to seem…

Not so long ago I started exploring server-side rendered single-page applications. Yeah, try saying that three times fast. Building products for startups has taught me SEO is a must if you want an online presence. But, you also want the performance SPAs can provide. We want the best of both…