og:image: Nail the 1200x630 or Lose the Click
May 31, 2026
You know the failure mode: you paste a link into Slack or iMessage and the preview comes up as a grey box with a chopped-off URL and no image. That's ...
Computerz marketing seo
René Dohmen
CEO of Formatics. Developer, Linux enthusiast, musician, and motorcyclist. Writing about code, life, and everything in between.
Recent Posts
View All 
Rifftract: Turning Messy Jam Sessions Into Backing Tracks
May 31, 2026
Every band has the same problem. You spend three hours in a rehearsal room, the phone is propped against the amp recording the whole thing, and somewh...
Computerz python javascript
Docker Agent vs Kagent: AI Agents With and Without Kubernetes
May 18, 2026
I've been running Kagent in production for a client — a fleet of AI agents that talk to the Workflow Orchestrator (WFO), IMS, IPAM, and Jira within th...
Computerz docker kubernetes
Practical "Secure-ish" Developer Mac Setup
May 16, 2026
Let's be honest: most developers run their Mac wide open. We curl scripts from the internet, pip install random packages, clone repos from strangers, ...
Computerz security macos
Working with git submodules
May 14, 2026
Git submodules are one of those features that are incredibly powerful — until they're not. I've been using them extensively since we split the orchest...
Computerz git cheatsheet
Why we ditched AWS Amplify for Vercel
January 29, 2024
As you could read in previous posts, I deploy some frontend apps on Amazon. For a while, AWS Amplify seemed like the obvious choice for hosting Next.j...
Computerz javascript aws