A deep dive into Python virtual environments, pip and avoiding entangled dependencies — If you work on a lot of different projects then you’ll recognize the dependency-hell of multiple projects requiring multiple versions, of multiple packages. You can’t just install all packages globally, how do you keep track? Also what happens when projectA needs PackageX_version1 and ProjectB needs PackageX_version2? …

Manage your infrastructure in the same ways you manage your applications — Docker is a fantastic tool that makes our lives much easier offering us standardization, productivity, efficiency, maintainability and compatibility of our code. It allows us to continuously and rapidly deploy and test our code and it is platform-independent. If you are unsure of what Docker is, what to use it…

Easy Python code compilation for blazingly fast applications! — Python is very easy to work with; clear syntax, the interpreter and duck-typing allow you to develop very quickly. There are some downsides though: if you don’t have to adhere to a strict syntax, then Python has to do some extra work to get your code to run, causing some…

Get an intuition about how to use git with a classic RPG as an analogy — For beginners Git can be a bit intimidating. There are all these terms (pull, fetch, commit, push, remote, origin), the dreaded merge conflicts, and the ever-present fear of typing in a wrong command and destroying all your code. The goal of this article is not to list a detailed explanation…

Learn the difference between Docker images and containers + practical code examples — Containers, images, environments, building, running, virtual machines.. when you’re new to Docker all of these abstract terms can be a bit confusing. In this article we’ll go through all of them and get an understanding of each term. We’ll focus on explaining the difference between images and containers and how…

Add docker secrets to prevent your docker image from leaking passwords — When you leak confidential information into your Dockerfile, you open your image up to all kinds of attackers that can steal your credentials, take control of you container, or inject malicious code into your containers. …

Apply these handy, general-purpose decorators directly to your code — The beauty of decorators is that they are really easy to apply but provide a lot of extra functionalities for your code. In this article we’ll go through 5 handy decorators that you can easily apply to real-world problems you’ll run into when debugging your code. …

Clean up your Docker images by leaving behind unnecessary tools — In this short article we build an image in multiple stages to significantly reduce the size of our docker image. In the end we’ll have an image that does the exact same thing but is almost 10 times smaller in size! …

Minimize your docker image (plus one bonus) — In this short article we’ll go through 5 tricks (and one bonus) on how to trim down the size of docker images. In doing so we learn more about how Docker builds images and how to use base images. Let’s code! Before we start: We’re using a lot of terminal…