A Dev Container for Bot Zero

Let’s explore how to add a dev container to our Node.js bot-zero project. We’ll help the end user to understand how to run the project by adding a profile script whenever the terminal is openend in Visual Studio Code.

Building a replaceAllAsync in TypeScript

I love the replaceAll string API in JavaScript, as it makes replacing a string far more intuitive than the “good old” global regular expression. This week I had to replace strings with the results of async calls. Yeah, that is not supported by any API in standard JavaScript.

.NET Console Application with injectable commands

Console applications are alive and kicking. Setting them up might be a bit hard. In this article I’ll explore how to create a .NET console application that provides commands using the new System.CommandLine package. This will provide arguments to command mapping out of the box. I’ll be showing how to combine it with dependency injection for even more power ⚡.

Harmonizing Team tags on AWS S3 Buckets

At Wehkamp we use many – many – buckets! To do FinOps correctly, it is important we’re able to determine which teams own which buckets. In this article I’ll discuss how to detect Team tags that are not correct and apply the correct ones. We’re using a combination of Bash, AWS CLI, CSV and JQ.

Rethinking our ASP.NET Docker CI

At Wehkamp we’ve been using ASP.NET for a long time. Containers brought .NET with us to our microservices architecture. We used a shell script in a special build container to build our service. Today we’ll discuss how we turned that shell script into a multi stage build Dockerfile.

Share AWS Vault session with Bash (WSL)

I’m on Windows and I use AWS Vault to connect to AWS using an MFA token. It works wonderfully, unless you need to execute some Bash scripts. I love using Bash on Windows, as WSL makes it really easy to write my scripts. But, alas, the AWS environment variables set by AWS Vault are not […]

Expose a Docker Compose App with a Secure Cloudflare Tunnel

Expose a Docker Compose application through an outbound-only Cloudflare Tunnel, without publishing host ports or managing a reverse proxy and TLS certificates.

Chrome Extension Development: Fetch non CORS URLs in v3

Testing whether a URL exists on GitHub by delegating fetch to a service worker.

App definitions from Mesos/Marathon to CSV

We’re currently in the business of moving from Mesos/Marathon to Kubernetes. As we have a microservices environment we can move service by service. We have multiple clusters running, so I need to track which teams have which services (still) running on Mesos/Marathon.

Let’s see if we can lift the data out of the system using the Marathon API, JQ and cURL.

Bash Script with a Library for Named Arguments

Move reusable Bash named-argument parsing into a sourced library while keeping validation and supported options under the caller’s control.