Your Docker Image Is 1.2 GB. Here's How to Get It Under 100 MB
Most oversized Docker images come from the same few habits. Here's how to measure yours, fix the big ones with a slim base and a multi-stage...
Nov 1, 2026
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14 min
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Node.js Security Checklist for 2026
Many Node.js security incidents start with missing basics. This checklist covers a supported runtime, Helmet headers, rate limiting, Argon2i...
Oct 31, 2026
15 min
Redis Caching Patterns: Cache-Aside, Write-Through and the Stampede Problem
Caching is easy until a hot key expires and 50 requests hit your database at once. Here's how cache-aside and write-through work, why stale ...
Oct 30, 2026
20 min
Zero-Downtime Database Migrations Without Breaking Production
A migration that takes milliseconds on your laptop can freeze production. Here's how locks cause outages, how expand and contract keeps old ...
Oct 29, 2026
16 min
Harden a Fresh VPS in 15 Minutes: SSH Keys, Firewall, Fail2ban and Auto-Updates
A new VPS gets scanned by bots almost immediately. Here's the checklist I'd run on a fresh Ubuntu or Debian server: a sudo user, SSH keys, a...
Oct 28, 2026
10 min
How to Allow SSH Login From Only Your IP on a VPS (Without Locking Yourself Out)
Leaving SSH open to the whole internet invites constant bot attempts. Here's how to restrict VPS login to one trusted IP with UFW, firewalld...
Oct 27, 2026
10 min
Git vs Scion: Why Anthropic Moved Off Git, and Whether You Should Care
Anthropic replaced git in its monorepo with an in-house system called Scion. I went through the engineering post and compared the two side b...
Oct 25, 2026
10 min
Kimi K3.1 Pro and Pro Highspeed: What’s New, What’s Claimed, and What to Test First
Kimi K3.1 Pro is a 1M-context open-weight model with big claims in coding, 3D and finance, and Highspeed is the 2-3× faster version. Here’s ...
Oct 24, 2026
9 min
IPv4 vs IPv6, Public vs Private, Static vs Dynamic: What Developers Need to Know
Every device online has an IP address, but they're not all the same kind. This post breaks down the three big differences (IPv4 vs IPv6, pub...
Oct 23, 2026
8 min
Fixing the Latest PHP Vulnerabilities: What to Patch Right Now
PHP shipped emergency fixes for two critical bugs that can allow unauthenticated remote code execution. This guide covers finding your insta...
Oct 22, 2026
7 min
PHP2Shell: Two Critical PHP Flaws Leaked Before the Patch
Two critical PHP vulnerabilities, dubbed PHP2Shell, triggered an emergency security response after details leaked ahead of schedule. With re...
Oct 21, 2026
6 min
Ultramarine 1 Flash: A Model Built for Office Work, at 13 Cents a Task
Ultramarine 1 Flash scores 59.3 on its makers' own knowledge-work test at $0.13 a task, while Claude Fable 5 scores 57.8 at $8.19. The numbe...
Oct 17, 2026
10 min