Overview Recently, due to the degradation of my internet connection, I was unable to use my remote keycloak instance hosted on Digital Ocean New York server. My only choice to be able to develop again is to create a local Keycloak instance. The bad news is when I ran the container using jboss/keycloak image, I … Read more
Overview Reading files is quite a common task in Java programming, and there are several ways to do so without relying on external libraries. In this tutorial, we will discuss four different ways to read text files in Java 8+ using built-in classes and APIs. We will go over examples of how to read text … Read more
Overview ThreadLocal provides a mechanism where multiple threads can store their own data on a single ThreadLocal object. You can think of ThreadLocal as a bank. Multiple can go to a single bank, deposit, and withdraw money. It is also the analogy of this tutorial. ThreadLocal Quick Example Using the bank analogy, let’s say there … Read more
Overview Recently I deployed my site to production (https://gotkey.io) and noticed that the site loaded quite slowly. When I checked with Google page speed insights, there were issues but the most significant are content not gzipped and no caching policy for the static resources. I know how to enable such things with Nginx, httpd, and … Read more
Overview In this post, I’m going to show you how you can create your own private docker registry with Nexus3 OSS. This setup is ideal for small startups/indies who cannot afford dockerhub or quay.io subscriptions (or for some other reasons). At the end of the post, you’ll know how to set up a registry to … Read more
Introduction This post is what I wish I have when starting with RabbitMQ. It contains: Let’s get started. Code Repo The code in this post is available here on Github. Important concepts Here are the important concepts in RabbitMQ: Exchange A messaging component in RabbitMQ that receives messages from producers and routes them to queues … Read more