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devops

2024

Passwordless Azure PostgreSQL with Terraform and connection via Container App
·1267 words·6 mins
devops azure database terraform
How to create an Azure PostgreSQL instance without public access and passwords using Terraform while ensuring security. Additionally, I will explain how to access this database from a container app using access tokens.

2023

Business Logic in Nginx
·449 words·3 mins
devops tools web
Nginx is a popular Web-server/-proxy that is often used to serve frontend applications within a Docker container. But did you know that you can also implement some (business) logic with Nginx? Here is how!
Hands-on Nomad
·1592 words·8 mins
devops tools cloud docker
I have been working with Kubernetes as a container orchestration tool for years. Although I think Kubernetes is a great tool if it solves the issues it was meant to solve it also comes with, at least one 😀, issue - Kubernetes is a complex tool to operate and to work with. In this post, I describe my first steps to get in touch with Nomad by HashiCorp, which promises to be less complex than Kubernetes.

2022

Testing this webpage (Hurl+Hugo+Docker)
·680 words·4 mins
tools web devops
Recently, I stumbled over Hurl which is an exciting tool in my opinion. To play around with it, I created a sort of integration test for this homepage utilizing Hugo, Docker, GitHub actions, and Hurl.
Check the connection to Redis
·293 words·2 mins
shell programming devops golang
Recently, I had to check the connectivity to a Redis 6 TLS enabled and password protected instance. In this post, I want to give you an overview of the different approaches to verify if a Redis is up and reachable.
Pre-commit hook for YAML doc-start
·788 words·4 mins
devops programming configuration
In my daily business I have to deal with a lot of YAML files. In my opinion, it is best practice to write --- (three dashes) at the beginning of a YAML file. This post describes how to utilize Git pre-commit hooks to automatically insert --- at the beginning of your YAML files before committing them.
Easy reverse proxy with Caddy
·627 words·3 mins
self-hosted tools devops
Imagine you require a simple reverse proxy for one of your servers but you don’t have the permission to install Nginx, Apache etc. Or you really just need a simple proxy and don’t want to mess around with proxy configuration. In this post we will have a look for an comparatively new proxy called Caddy which is a perfect match for this scenario.
Building multi arch Docker images
·265 words·2 mins
devops tools docker
In this post I want to briefly describe how to build Docker images for both platforms at the example of a Docker image for troubleshooting purposes especially within a Kubernetes cluster.

2021

An intro to Kustomize
·2380 words·12 mins
Kubernetes devops tools
While in my early days of working with Kustomize, I was missing some condensed practical hands-on how to build deployments with Kustomize and how to achieve common requirements in a multi-cluster setup. In this blog post, I want to fill this gap and give you a somewhat holistic overview of Kustomize.

2019

DevOps
·588 words·3 mins
devops cloud my experience
What do I understand with DevOps and the related topics Cloud Computing and Infrastructure as Code