Hi, I'm Martijn

A passionate software developer. Started around 12 years old with a book I got for my birthday. It explains how to build a website with Microsoft FrontPage and upload it with FTP. It's the most precious book I have.

A serie of articles about creating an online guestbook was my introduction into programming.

Blog posts

2026

Hi, I'm Martijn

Blog posts

A lot of linters

Is open source software veilig? NL

Merge existing codebases into a monorepo

Get notified when lock files change

How to import big spreadsheets

OpenIDConnect provider's HTTPS certificate doesn't match configured thumbprint

Tips to make your codebase future developer friendly

Domain redirects for CloudFront

Slack messages from GitHub workflow

Change cache driver for Laravel Task Scheduler onOneServer

How GRRR uses GitHub Actions

Dutch PHP Conference, takeaways from the conference

GitHub Actions and no AWS credentials

How to use OpenVPN in GitHub Action workflows?

How to create a WhatsApp button?

Add locales to Alpine Linux Docker image

Guidelines for Dutch governmental websites

Speedup Travis CI

The Dark Web niet technisch uitgelegd NL