Früher und auch heute noch werden in großen Teilen Infrastruktur Bestandteile manuell konfiguriert und aufgesetzt. Das bedeutet, dass Menschen manuell...
Um Server Infrastrukturen schnell und reproduzierbar konfigurieren zu können setzt man auf so genannte Configuration Management Lösungen. Die bekanntesten sind...
Im DevOps Bereich bist du insbesondere damit beschäftigt Infrastruktur zu bauen und zu betreiben. Weil man große Infrastukturen nur schwer...
Schau dir den unter Inhalte verlinkten Udemy Kurs an. Die Zugangsdaten für Udemy bekommst Du von deinem Mentor. Überspring Inhalte...
Vor 20 Jahren begann der große Durchbruch der Virtualisierung. Heute sind virtuelle Server kaum noch wegzudenken, da diese eine deutlich...
Wir arbeiten bei makandra alle auf Linux-Betriebssystemen und bedienen im DevOps- & Cloud-Bereich primär Kunden, die ebenfalls auf Linux...
We use foreman to start all necessary processes for an application, which are declared in a Procfile. This is very...
Building application assets with esbuild is the new way to do it, and it's great, especially in combination with...
Jasmine is a great tool to unit test your JavaScript components without writing an expensive end-to-end test for...
JavaScript code can access and manipulate the browser's DOM tree. Using JavaScript we can add interactive behavior to our...
Sometimes you need to access a dev server running on localhost from another machine that is not part of the...
Since Rails 6.1, if we use where.not with multiple attributes, it applies logical NAND (NOT(A) OR NOT(B)) instead...
Jasmine has spyOnProperty(), but it only works if the property is implemented using getter and setter functions. This is a...
In my case [...] the catalog is an XML that contains all kinds of possible products, categories and vendors and it...
TL;DR When using Cache-Control on a Rails application, make sure the Vary: Accept header is set.
The Interactive Advertising Bureau (IAB) is a European marketing association which has introduced a standard how advertising can be served...
I sometimes had the issue that I received an error when starting an existing vagrant box with vagrant up:
A flaky test is a test that is often green, but sometimes red. It may only fail on some PCs...
If you want Sidekiq to be able to talk to Redis on staging and production servers, you need to add...
Within development and test environments, Rails is usually configured to show a detailed debug page instead of 404s. However, there...
You want to use fields in your applications. However, your desktop users may encounter some weird quirks: Aside from allowing...
The gem better_errors offers a detailed error page with an interactive REPL for better debugging. I had the issue...
Event delegation is a pattern where a container element has a single event listener that handles events for all descendants...
Besides their default styling properties, HTML elements have a semantic meaning. For example, an h1 tag is usually styled with...