Earlier this week the super cool podcast Dev’Obs asked me to talk about feature flags, go-feature-flag and also the super nice initiative Open-feature. The podcast is in French 🇫🇷 (yes I know sorry…) but you can learn a lot of cool things, when to use them, what is Open-feature about and all the cool things that the feature flags can bring to your developer experience. Please tell me if you liked it or not, and if you need someone to talk about feature flagging please contact me and I will advocate for it.

Bring awareness about technical debt and help your management to take decision. — Technical debt is a concept in software development that reflects the implied cost of additional rework caused by choosing an easy (limited) solution now instead of using a better approach that would take longer [wikipedia] Many companies have this motto of moving fast and breaking things to move forward as…

Sort a direct acyclic graph (DAG) with parallel steps — Recently I had to work on how to build a pipeline from a configuration file. And the tricky part is always how to simplify how to write the configuration file, especially on how to manage the order of the pipeline steps and make it human-readable. …

Progressive rollout, scheduling workflows, and experimentation with just a basic configuration — When you build a new feature, orchestrating the actual launch schedule between the Product, Engineering, and Marketing teams can be challenging. While it seems easy to launch something new, a poorly executed rollout can end up being your worst nightmare. In this article, I will present to you how to…

Always use the right kubectl version for your cluster 🎛 — In my company, I keep switching on multiple Kubernetes clusters depending on which project I am working on. And to make it even more fun they don’t have all the same version (yes we still have a k8s 1.9 running). A good practice I try to follow is to keep the…

Use the Chain of Responsibility design pattern to modify app behavior based on configuration changes — Chain of Responsibility or Chain of Command is a design pattern that lets you pass requests along a chain of Handlers. Each Handler decides to process the request and enrich it or pass it to the next Handler. It allows you to have great isolation between each step and avoid…

Tips to improve your Git experience and be more productive — Git is a tool that software engineers have to use every day, so it is important to be happy and not waste too much time when using it. I know there are plenty of UI tools on the market to help you with your Git experience, but after years of…

Fail fast and recover — This is an endless discussion when creating a new team or product; should I prioritise stability and availability over release frequency? In more technical terms, are you a mean time to recovery Team (MTTR) or a mean time between failure team (MTBF)? MTBF and MTTR are metrics that together determine…

An example on how easily push and run serverless GO code in AWS 🚀 — If you read my previous posts you can see that I am working with Golang and AWS a lot, so in this one, I will present how I deploy a serverless API in AWS Lambda with an API Gateway to access it. I will write the API using GO and…