The R&D Lab
by Ionastec
Where software architecture meets experimentation. Building, breaking, and optimizing high-performance tools in public.
Latest Technical Insights
Documenting the technical challenges and architectural decisions behind our work.
The Wildcard That Wouldn't Fly: DNS-01, Traefik, and the .ovh Public Suffix List Trap
How a seemingly trivial DNS edge case turned a 5-minute Traefik setup into a deep dive into lego internals, and the exec provider workaround that finally fixed it.
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Redis is Fantastic, Until it Becomes Your Single Point of Failure
Adding Redis to speed up your application makes sense, until you realize you've just traded database latency for network fragility.
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Surviving Toxic Developer Experience Syndrome
Spinning up 15 local containers to change an endpoint doesn't make you faster. It makes you the SysAdmin of your own laptop. Time to trim the fat.
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Technical knowledge,
packaged for real work
In-depth guides built from real production experience. Not tutorials, playbooks.
Docker Guide
Containers · Images · Compose · Networking · Volumes · Production
From your first container to production-ready deployments. The definitive Docker playbook for developers who ship real software.
TypeScript Guide
Types · Generics · Utility Types · Patterns · Advanced Config
Stop fighting the type system and start leveraging it. A practical guide to writing TypeScript that scales with your codebase.
Next.js Guide
App Router · Server Components · Auth · Caching · Deployment
From zero to production with the App Router. The patterns and decisions no tutorial covers — learned from shipping real products.