Dimitrios Apostolakis - Blog Thoughts on QA automation, performance engineering, and building systems. https://diap.dev en Sat, 26 Sep 2026 10:55:53 GMT Shift-Left Quality: Building Deterministic CI/CD Test Pipelines https://diap.dev/blog/shift-left-deterministic-cicd-pipelines A comprehensive guide to high-velocity test automation: Boehm's cost law, flaky test mathematics, ephemeral container orchestration with Docker/WireMock, and matrix sharding for sub-5-minute CI feedback. Sun, 30 Aug 2026 00:00:00 GMT https://diap.dev/blog/shift-left-deterministic-cicd-pipelines TestingCI/CDDevOpsAutomationArchitectureDocker Architecting Enterprise Load Tests: Little's Law, Saturation Boundaries, and Tail Latency Analysis https://diap.dev/blog/architecting-enterprise-load-tests A first-principles guide to enterprise performance engineering: queueing theory, Little's Law, Gunther's Universal Scalability Law, multi-tier saturation modeling, and k6 threshold automation. Fri, 28 Aug 2026 00:00:00 GMT https://diap.dev/blog/architecting-enterprise-load-tests Performancek6SREDistributed SystemsQueueing Theory