Notes from the racks

Every article tagged .

Written by platform engineers Field-tested, not theoretical New analysis every month

7 articles
Writing a health check that tells the truth 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 From one web server to a load-balanced pair 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 Rolling deployments behind a load balancer 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 Designing a VPC: address ranges and subnet layout 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 Connecting an office to your VPC over site-to-site VPN 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 Segmenting a multi-tier application the auditors will accept 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 Ingress, LoadBalancer or NodePort: exposing a service without guessing 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

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