Posts about DevOps

October 4, 2026

13 min read

Cloudflare's Free plan serves Mexico from Dallas: I measured it from 20 probes

Hosting Performance DNS DevOps Mexico

Typographic cover: "Cloudflare Free" and a two-line diff where colo=DFW at 32 ms is replaced by colo=QRO at 7 ms, measured from 20 probes in Mexico

September 13, 2026

18 min read

Portainer 3.0 Is Kubernetes-First: What Changes If You Run Docker (and Which Alternative to Pick)

Docker DevOps Containers Infrastructure Migration

Typographic cover on a terminal background: "Portainer 3.0" above a two-line diff, "- portainer 2.45 LTS" in red and "+ portainer 3.0 STS" in green, under the note "community edition: no 3.x build"

September 13, 2026

17 min read

GitHub Actions in Fall 2026: What Breaks (and Why node20 Isn't the Problem)

GitHub Actions CI/CD DevOps Node.js Migration Upgrade

Typographic cover for the GitHub Actions fall 2026 guide: the words GitHub Actions above a two-line diff, - node20 in red and + node24 in green

September 5, 2026

11 min read

Kubernetes 1.37: What Breaks on Upgrade Day (and Why It's Your Control Plane)

Kubernetes DevOps Infrastructure Migration Upgrade

Typographic cover for the Kubernetes 1.37 upgrade guide: a two-line diff from the previous version to Kubernetes 1.37

15 min read

The Complete Docker Guide for 2026: Containers, Dockerfile and Compose

Docker DevOps Containers Tutorial Best Practices

3D illustration of a whale carrying stacked containers next to a terminal window: the complete Docker guide for 2026

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