DevOps on SystemsGolivehttps://systemsgolive.com/categories/devops/Recent content in DevOps on SystemsGoliveHugo -- gohugo.ioen© 2026 systemsgolive.com and Mickael Asghar. All rights reserved.Sat, 08 Aug 2026 09:00:00 +0100Case Study: Infrastructure Automation Cuts Server Build Time from 4 Hours to 30 Minutes on a Regulated Healthtech Platformhttps://systemsgolive.com/post/infrastructure-automation-healthtech-azure-migration-case-study/Sat, 08 Aug 2026 09:00:00 +0100https://systemsgolive.com/post/infrastructure-automation-healthtech-azure-migration-case-study/ How splitting infrastructure delivery into Bicep provisioning and Ansible configuration took a regulated healthtech platform's server builds from 4 hours of manual work down to 30 minutes of automated pipeline time, ahead of a live Azure migration.Multi-Stage Docker Builds: Smaller, Safer, and Fasterhttps://systemsgolive.com/post/multi-stage-docker-builds-smaller-safer-faster/Sat, 20 Jun 2026 09:15:36 +0100https://systemsgolive.com/post/multi-stage-docker-builds-smaller-safer-faster/ Multi-stage Docker builds separate the build environment from the runtime in a single Dockerfile. This post covers the four concrete benefits – smaller images, fewer CVEs, more readable Dockerfiles, and faster builds – using a TypeScript app that dropped from 289MB to 167MB.The Blameless Postmortem Mindset: Why Engineers Who Write Them Stand Outhttps://systemsgolive.com/post/the-blameless-postmortem-mindset-why-engineers-who-write-them-stand-out/Sun, 08 Mar 2026 11:39:31 +0000https://systemsgolive.com/post/the-blameless-postmortem-mindset-why-engineers-who-write-them-stand-out/ Fixing incidents is table stakes. What separates good engineers from exceptional ones is what happens after – the blameless postmortem. Learn why writing them well is one of the most underrated habits in infrastructure engineering, and how to do it properly.How I Prepared Our Java Spring App Servers to Capture JVM Diagnostics During a CPU Spikehttps://systemsgolive.com/post/jvm-diagnostics-java-spring/Sat, 07 Mar 2026 13:03:06 +0000https://systemsgolive.com/post/jvm-diagnostics-java-spring/ A practical DevOps walkthrough on how to safely capture JVM heap dumps and thread dumps during a CPU spike on a Java Spring/Tomcat production server — using a shell script built around jmap, jstack, and jcmd.Migrating from ANS to Cloudflare Load Balancer: Zero-Downtime DNS Cutover with Pre-Configuration Strategyhttps://systemsgolive.com/post/ans-to-cloudflare-lb-migration-zero-downtime/Sun, 23 Nov 2025 11:44:31 +0100https://systemsgolive.com/post/ans-to-cloudflare-lb-migration-zero-downtime/ How we migrated our production care management platform from ANS to Cloudflare Load Balancer — eliminating manual SSL certificate management that had caused a past outage, replacing an EOL HAProxy instance, and achieving zero downtime through a dummy hostname pre-configuration strategy and a planned 45-minute DNS cutover window.