During my recent gig, I got a chance to design a backend architecture from scratch for a startup. This was the time to explore and create an architecture that is minimal, easy to understand as well as secure. I have been using terraform and ansible for quite some time for…

Over last year, it was a transition from a tech lead to an engineering manager. Engineering Manager is a completely new and different role than being an engineer and doing a lot of coding. As an engineer, it always felt good to complete a feature in time with fewer bugs…

One fine night, you get a call from your alerting system mentioning that one of the production servers is not responding. You immediately open your laptop and start debugging to find what might have gone wrong. After spending some time, you find that its the disc which is full because…

In today’s world, employees often need the flexibility to work from remote locations. These remote locations can be a cafe, hotel lobby or any other public place where the employee is using public wifi. Public wifis are usually not secure and data transmitted through them is easily hackable. The best…

If you have used AWS Lambda to create an API using API Gateway before, then you must know the pain of creating and managing them with frequent updates. This was the same for me, especially with many functions it was hard to manage, tough to debug and update frequently. As…

When a powerful metrics collection tool meets an awesome visualization tool, that unleashes the real power of an effective monitoring system. Prometheus is a powerful metrics collection and alerting system. Grafana is one of the best visualization tools which can be used with Prometheus. We can create a dashboard with…

Load testing is the process of putting the load through (HTTP, HTTPS, WebSocket etc) calls on any software system to determine its behavior under normal and high load conditions. Load test helps identify maximum requests a software system can handle. It helps determine the point of a bottleneck due to…

Bugs are most expensive when comes in production. Catching them during the development process using test cases is one of the best things we can do to lower our cost. Testing is very important in all software. This helps ensure the correctness of our code and helps reduce regression. Unit…

Monitoring is incomplete without alerting. We have already looked in monitoring with Prometheus in the previous article. In this article, we are going to talk about alerting and AlertManager setup using ansible. AlertManager is a single binary which handles alerts sent by Prometheus server and notifies end user. To prevent…