Notes from the racks
Every article tagged .
Written by platform engineers
Field-tested, not theoretical
New analysis every month
7 articles
Networking/
4 min read
Writing a health check that tells the truth
Why /ping is not enough, what a readiness endpoint should actually verify, and how to set intervals and thresholds so a load balancer reacts correctly.
Sep 6, 2026
Networking/
4 min read
From one web server to a load-balanced pair
Sessions, uploads and cron jobs: the three things that break when you put a second server behind a load balancer, and how to fix each one.
Sep 6, 2026
Networking/
4 min read
Rolling deployments behind a load balancer
How to roll a release through a backend pool without cutting off in-flight requests: draining, keep-alive, migrations and when to go blue-green instead.
Sep 6, 2026
Networking/
5 min read
Designing a VPC: address ranges and subnet layout
How to size cloud address space once — and lay out subnets so you never have to renumber a production network later.
Sep 3, 2026
Networking/
5 min read
Connecting an office to your VPC over site-to-site VPN
Tunnels, routes and the two settings that cause most failed hybrid setups — a practical order of work for joining an office network to a cloud VPC.
Sep 3, 2026
Networking/
5 min read
Segmenting a multi-tier application the auditors will accept
Which tiers to separate, what to log, and how to document network boundaries so segmentation stands up to an audit rather than just looking tidy.
Sep 3, 2026
How-to/
6 min read
Ingress, LoadBalancer or NodePort: exposing a service without guessing
Three ways to get traffic into a Kubernetes cluster, what each one actually costs, and the decision rule that stops you paying for twelve load balancers.
Aug 31, 2026
Infrastructure notes, once a month
Release notes, capacity updates and the occasional deep dive. No fluff, unsubscribe any time.
You're subscribed. Infrastructure notes land in your inbox once a month. Unsubscribe any time.