AWS Lambda is a great serverless computing resource for a lot of different use cases. It could be used for a small project, for example, a cron job, or with other AWS Services to build something massive and complicated. But it does have some limitation for users as well, here…

So, you’re just about to submit your Pull Request, and you’re thinking, “Wait a minute, is my code up to par?” Don’t panic, my friend, I got you covered with some last-minute tips to improve your code quality before you hit that submit button. One Step Back

Micro Services became very popular, with the trending NodeJs, MERN Stacks. People started to give up their old monolith project and started to build more and more services to scale horizontally. There is a new coming problem in this trend, What is a good practice or a good pattern to…

I believed many of people have been using Oracle Cloud Always Free resources, however, Oracle decided to shutdown the Idle Always Free Computing Instances to recycle them since July this year. Surely there are a few options to waste the resources to make it always busy to reduce the possibility…

AWS offers many different options for different Database. All database could fall into 2 categories, Relation Database and Non-relational database. In this article, we are talking about an overview of different cloud native database on AWS, to compare some limit and differences between each Databse Options, how to choose each…

Ubuntu is a popular open-source operating system that has been gaining traction among computer enthusiasts and businesses alike. It was first released in 2004 and has since become one of the most widely used Linux-based operating systems in the world. …

An Open Source License War Between Cloud Providers and Open Source Software Company Started From Elastic Search Elastic Search is a powerful search engine that was first released in 2010. It quickly gained popularity due to its ability to scale and handle large amounts of data. …

Obsidian offers a new feature Canvas since December 2022 (version 1.1.9). It is a great feature, some people called it as local Miro Board. It is a great tool, I have to emphasis it again. However, it does have limitation as well. If you haven’t noticed the limitations of Obsidian…

Background I have a 4 nodes K8s cluster for my side projects, there is one thing anti-pattern in the cluster setting. 4 nodes are all public nodes It is very easy to have scalability when all nodes are in Public Subnet, so all nodes will have Public IP and to connect…