When we want to create a Twelve-Factor Microservice in Go, it’s crucial to adhere to the twelve guiding principles. These guidelines promote automation, efficient log management, and consistent environments. Additionally, it’s crucial to rely on external services and maintain a small, decoupled codebase and dependencies for optimal scalability and ease…

Often we have to provision EC2 instances as bastion hosts and then \ we run ansible playbooks or init scripts to install packages or configure the system. But if we run terraform and ansible in one go that would save time as we as reduce toil. In this article, we…

To begin with Go, we have to understand Go functions and methods. And how they differ from other languages. This article is the first of the function series. Functions vs Methods Single line answer would be - Functions are set of instructions Methods are functions that are associated with objects Let’s understand what…

At NewrozTech, we try to simulate the production environment by doing various tests with our service. One of the fundamental things is load testing primarily with Ddosify and finally with Jmeter. In this article, I will share my experience with a simple go tweak that made a huge difference. Generally…

Consul, at its core, is a service networking solution. It provides a service mesh solution, network configuration automation, service discovery, a simple Key-Value store, etc. In this article, we will focus on the key-value store (KV store) for our service configuration and one of the core features of consul, service…

It is often a feature for a service to restrict content based on country to ensure compliance. From my personal experience, country restrictions can come in handy while under DDoS attacks. You can buy time for network and system engineers while they configure firewall and content filters. Another popular use…

"Docker is Inception for Linux", is how I like to put it when it comes to explaining docker. Cause docker is exactly like this, a Linux inside a Linux sharing the host kernel. For any compassionate Linux user, can learn docker in a matter of days. In this article, I…

Head pose estimation is used widely in various computer vision applications- like VR applications, hands-free gesture-controlled applications, driver’s attention detection, gaze estimation, and many more. In this post, we are going to learn how to estimate head pose with OpenCV and Dlib. Pose estimation in respect of Computer Vision In computer vision, pose estimation specifically refers to…

We are all going through a time that we have never imagined. Those who lost hope in humanity our frontline heroes working around the clock proved them wrong. The scientists, one of the unsung heroes dedicated their life to invent vaccines. This story is from an engineer’s perspective and eagerness…