News
Customizing Docker Images: Write Your First Dockerfile (2026)
48+ min ago (891+ words) Quick one-liner: Pre-built images are convenient until they break. A Dockerfile turns your app into a portable, reproducible artifact you can fix, rebuild, and own. In episode 10, we fixed the startup race. Ghost now waits for My SQL to be…...
AWS Nitro Enclaves vs Intel TDX: Why Attestation Root Matters for Regulated Workloads
40+ min ago (819+ words) Quick Answer: AWS Nitro Enclaves trust AWS's own Nitro Hypervisor for attestation. Intel TDX trusts the CPU silicon itself. For GDPR Article 25 and Schrems II compliance, that difference isn't academic " it's the gap between "we promise" and "physics prevents us....
File Types (Regular, Directory, Link, Device, Socket, Pipe)
1+ hour, 15+ min ago (142+ words) In Linux, everything is treated as a file. Linux supports different file types for: Main Linux File Types lrwxrwxrwx" link -> file. txt The first character shows the file type. 1. Regular File - 3. Symbolic Link l Points to another file or directory....
Open Shift Virtualization Migration Advisor " Local-First, Powered by Gemma 4 26 B Mo E
3+ hour, 42+ min ago (76+ words) This is a submission for the Gemma 4 Challenge: Build with Gemma 4 What I Built Open Shift. .. Tagged with devchallenge, gemmachallenge, gemma, ai....
Invariant-Driven Architecture: 20 M transactions on a "80/mo Cloud VM.
4+ hour, 27+ min ago (571+ words) " This is Part 2. Part 1 " Postgres-grade serializable at 20k ops/s on a laptop (don't try this at. .. Tagged with database, performance, go, cloud....
Production Lab: ECS Fargate + Prometheus + Grafana + Loki + Alloy + Node Exporter
5+ hour, 36+ min ago (254+ words) You will build this architecture: Officially, ECS Fargate tasks use task execution roles for ECS actions like pulling images/logging, and task roles for application AWS permissions. (AWS Documentation) Alloy supports ECS/Fargate container metrics using the ECS Task Metadata…...
Managing multiple docker hub accounts using docker-use
5+ hour, 44+ min ago (401+ words) I didn't want those RC images sitting in my work namespace. So for the first time, I actually needed to switch Docker Hub accounts on my machine, and there isn't a good way to do it. The official answer is…...
mkdev: trusted HTTPS for localhost, mapped by name
6+ hour, 14+ min ago (30+ words) A single Go binary that maps https: //myapp. local " localhost: 3000 with a real, system-trusted cert. No per-project config, no browser warnings. Tagged with go, webdev, devtools, cli....
Lets Encrypt DNS Challenge with Traefik and AWS Route 53
2+ hour, 24+ min ago (353+ words) So, you're self-hosting awesome apps like Jellyfin, Home Assistant, or your personal blog with Docker. You want that sweet, sweet HTTPS padlock for secure connections, and Let's Encrypt is the obvious choice for free SSL certs. Awesome! The Standard Way…...
Deployment using all three Kubernetes probes
7+ hour, 26+ min ago (19+ words) Full Example YAML Here's a deployment using all three Kubernetes probes: containers: .. . Tagged with devops, kubernetes, monitoring, tutorial....