by Don Dang Programming languages e.g. Python, Go, Javascript, etc can be used to write scripts to hack together something quickly, and of course, they are great for that purpose. And it is perfectly fine to write scripts that are used only once, for example, to quickly clean up some…

By Frank Wickström After the recent Fastly downtime, we were once again made aware that the internet is not always as stable as we would think. While Fastly took down many major sites on the internet, it also affected things like package managers. Services such as the central Helm registry…

By Tuomas Suutari The next big Python release, Python 3.10, should happen in October. Even though that is still a few months away, we already know what to expect. The 3.10 branch went to feature freeze when the first beta version (Python 3.10.0b1) was released on May 3rd, 2021. Let’s…

By Mingfeng Yu When it comes to maps on the web, OpenLayers stands out with its feature-packed capabilities and wide-range support of different data sources, be it geo-referenced images, vector tiles, or open and proprietary vector data formats. With its powerful API, OpenLayers makes it easy to put up a…

By Frank Wickström The source for this blog post can be found on Github at andersinno/python_plugin_example. Creating an application that can be extendable but have low coupling throughout is something that has always interested me. What if I could remove and add new parts to my application without thinking about…

By Frank Wickström Paraphrasing what Netflix and many others have said before: The only way to be comfortable with failures is to fail often Why create chaos? Over the past few years, Anders has focused heavily on DevOps; we have done so because we have seen it as one of the most critical…

By Joonas Venäläinen Vault is a great tool for managing and protecting sensitive data. One of its many features is ability to create database credentials dynamically. This gives you extra layer of security as you can define short TTL for the credentials and rotate them frequently. …

By Frank Wickström TL;DR We build a microservice architectured application with three services. All of these communicate with one of the following AMQP, REST APIs, and Websockets. The application is deployed using our Open-Source (MIT Licensed) DevOps tool Kólga. The full source-code for this blog post can be found at https://github.com/andersinno/microservice_kubernetes_webinar. …