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Compose stacks, volumes, networking, and container lifecycle for self‑hosted apps.
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k3s statt Kubernetes: Warum die Rancher-Distribution unschlagbar ist
54+ min ago (691+ words) Hier kommt k3s ins Spiel. Entwickelt von SUSE (bzw. Rancher), ist k3s keine abgespeckte Spielzeugversion, sondern eine hochkompakte, aber voll CVE-konforme Kubernetes-Distribution. Sie wurde speziell für IoT, Edge Computing und CI/CD-Pipelines konzipiert, hat sich aber längst auch als extrem robustes Fundament…...
Automating Deployment with Github Actions
2+ hour, 8+ min ago (1511+ words) In the previous article, we learned how to spin up a functioning network and compute resources on AWS, and deploy our application on them. Let's remember a key architectural decision: our EC2 instance is in a private subnet, shielded from the…...
We wanted a Vercel + Supabase alternative without becoming full-time DevOps
2+ hour, 37+ min ago (986+ words) When we started building small products, Vercel plus Supabase looked like the obvious stack. It was a good way to get moving. The frontend deployed quickly. Postgres and auth were ready. We did not need to think about servers. Then…...
Backups and other lies
2+ hour, 55+ min ago (177+ words) Every sysadmin I know has the same secret: we do not actually back up half the things we tell other people to back up. I have been doing this for a decade. My recovery codes live in a directory called…...
Why my builds don't run on my laptop
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Flet 1.0 Released: Build Production Web, Desktop and Mobile Apps in Python Only
4+ hour, 9+ min ago (534+ words) Flet is an open source Python framework that renders its UI with Flutter. You write Python, and Flet draws Material and Cupertino widgets on iOS, Android, Windows, macOS, Linux and the browser. No Dart, Swift, Kotlin or JavaScript required. Last…...
Port 6443 in the Wild: Measuring Public Kubernetes API Endpoint Exposure
4+ hour, 17+ min ago (526+ words) This article answers that question with a ZoomEye measurement and then separates what the number proves from what it does not. The measured result is an exposure count, not a vulnerability count. A host that answers on TCP port 6443 has…...
Clean a million rows with Hydra ETL — no database, no Docker
4+ hour, 49+ min ago (296+ words) A copy-paste tutorial: generate a 1M-row CSV, describe the pipeline in four small YAML files, validate it before running, then compare the Python and Rust engines. Tagged with dataengineering, python, rust, tutorial....
[Lab Notes] Kubernetes the Hard Way, For Real This Time (Step 07)
5+ hour, 45+ min ago (107+ words) Continuing my Kubernetes the Hard Way homelab build. Steps 01-06 are already done, this covers step 07. This step sets up the etcd cluster. From what I understand, etcd is basically Kubernetes' database, it's where the "state" of the whole cluster gets…...
Docker volumes vs. bind mounts: where your data really lives
7+ hour, 5+ min ago (762+ words) A container is ephemeral: delete it, and its data is gone. For your database, your Nextcloud files or your configuration to survive a docker compose down, you need volumes. This guide clears up the often confusing difference between named volumes…...