Everything related to software development.
This article helps you understand the basic Alertmanager and Prometheus concepts, such as metrics, time series, samples, alerts, and alert notifications. I also explain how data is conceptually stored, how you should approach instrumenting your application, and the basic idea of dashboards. Introduction The Prometheus stack is a popular set of tools used to achieve observability of your system. … Read more
This article takes a detailed look at the architecture of the Prometheus stack, consisting of the individual applications Prometheus, Alertmanager, Grafana, Pushgateway, and various exporters. I discuss how each component is configured, which kind of data it stores, and how Prometheus can be scaled. Introduction to Prometheus The Prometheus stack is a popular set of … Read more
In this article I define the term observability, why you need it and what basic steps are necessary to achieve it. I then present a generic learning guide for how to implement observability for Kubernetes with the Prometheus-stack. Introduction to Observability It is always important to quickly determine that your system is malfunctioninig, and to … Read more
CI/CD is the process of fully automating tasks such as building, testing and deploying your software. Instead of running these tasks manually, on a developer laptop, you have them executed on a server all the time. In this article, I dive deeper into the definition of CI/CD and related terms, explain the background of CI/CD, … Read more
OAuth 2.0 and OpenID Connect 1.0 solve user authorization and authentication. In this article, I discuss the advantages and the authorization and authentication flows of both protocols, based on a video presentation by Nate Barbettini. Introduction If you develop an application, e.g. a mobile or web app, common problems are user authentication and authorization. The … Read more
GitOps is a methodology for Continuous Deployment, where you use Git to store (and track changes of) a declarative definition of your deployment configuration, and have a GitOps tool apply this configuration to your (production, etc.) environment. In this GitOps introduction you will learn how GitOps is defined. By looking at several examples, you will … Read more
This article presents all necessary steps to get your macOS application into the hands of your users. I list and compare the four distribution and packaging options: the macOS app store, package managers like Homebrew, Disk images (dmg) files, and installers (pkg files). I also introduce the signing and notarization process. Introduction In my previous … Read more
This article presents all necessary steps to get your Windows (desktop) application into the hands of your users. I list and compare 13 installer builders which package your application as a setup, discuss distribution options such as package managers, and present solutions to integrate automatic updates and licensing into your application. Introduction If you are … Read more
To be able to distribute Python application to end-users you need to freeze Python code. There are numerous freeze tools which produce self-contained binaries for the most common platforms, like Windows, Linux and macOS. This article presents and compares seven freeze tools, which are being actively maintained at the time of writing, and recommends specific … Read more
A Cloud IDE provides a complete development environment running on a server in the cloud, instead of you running it on your developer workstation. In this article I will discuss general advantages and disadvantages of Cloud IDEs, provide a Cloud IDE comparison of the best 9 IDEs I found, and give recommendations on how to … Read more