Architectural insights, development workflows, and deep dives into modern infrastructure.https://sergentanguc.com/https://sergentanguc.com/blog/bleep-gateway-data-privacy-proxy/https://sergentanguc.com/blog/bleep-gateway-data-privacy-proxy/How a transparent MITM proxy intercepts outbound HTTP/S requests and replaces PII and secrets with format-preserving fakes before they reach LLM providers or third-party APIs — without touching application code.Sun, 29 Mar 2026 00:00:00 GMThttps://sergentanguc.com/blog/ppp-tcp-cloud-architecture/https://sergentanguc.com/blog/ppp-tcp-cloud-architecture/A focused look at PPlex — a Rust TCP proxy that demultiplexes long-lived client connections to a pool of stateless gRPC upstream workers, making monolithic TCP servers horizontally scalable without a rewrite.Sun, 29 Mar 2026 00:00:00 GMThttps://sergentanguc.com/blog/iterm2-image-paste-hammerspoon/https://sergentanguc.com/blog/iterm2-image-paste-hammerspoon/How to make Cmd+V paste images in iTerm2 by intercepting the clipboard with Hammerspoon and auto-saving to a temp file.Sat, 28 Mar 2026 00:00:00 GMThttps://sergentanguc.com/blog/mypdfboy-pdf-generation/https://sergentanguc.com/blog/mypdfboy-pdf-generation/PDF generation sounds like a solved problem until you actually do it. Headless Chrome rendering, browser pools, timeout handling, and everything else that sits between 'it works on my machine' and reliable production output.Sat, 28 Mar 2026 00:00:00 GMThttps://sergentanguc.com/blog/dofus-retro-bot-vision-engine/https://sergentanguc.com/blog/dofus-retro-bot-vision-engine/How I built a dual-engine bot for Dofus 1.29 — combining OpenCV template matching and OCR for UI state with passive TCP packet analysis for game state.Sat, 28 Feb 2026 00:00:00 GMThttps://sergentanguc.com/blog/monphare-terraform-drift-detection/https://sergentanguc.com/blog/monphare-terraform-drift-detection/Version constraints in Terraform modules look harmless until they aren't. This is how MonPhare catches drift, conflicts, and risky patterns before they reach production.Tue, 10 Feb 2026 00:00:00 GMThttps://sergentanguc.com/blog/oneseal-secrets-as-code/https://sergentanguc.com/blog/oneseal-secrets-as-code/How treating secrets as versioned, typed, encrypted npm packages eliminates the secret sprawl problem — without requiring a vault migration or changing developer workflows.Sun, 15 Jun 2025 00:00:00 GMThttps://sergentanguc.com/blog/from-monolithics-to-the-cloud-with-ppp/https://sergentanguc.com/blog/from-monolithics-to-the-cloud-with-ppp/How to take old monolithic TCP servers and architect them for the cloud using a custom proxy/load balancer that handles sticky sessions, context switching, and upstream gRPC distribution.Sun, 29 Nov 2020 00:00:00 GMT