I’m Preston Bernstein, a full-stack developer based in Atlanta, GA, with over ten years of experience across front-end and back-end work. My professional focus is building and optimizing web applications; my off-hours focus is the infrastructure underneath them.
What I work on#
My home lab is the test bed for most of what appears on this blog:
- Infrastructure and networking. A Synology NAS, a desktop workstation, and a retired Dell XPS 17 running Proxmox VE, behind a UniFi gateway and switch with Pi-hole DNS filtering.
- Self-hosted services. Media automation, family photo backup with Immich, and a placement framework for deciding which containers run where, with Prometheus and Grafana observability shared across all of it.
- AI and agent engineering. Claude Code agent pipelines that spec, build, review, and deploy software; knowledge-graph retrieval built on LightRAG; local LLM and vision-model inference through Ollama on a single shared GPU; and the cost-control tooling that keeps unattended agents inside a budget.
About this blog#
Every post here comes from a real build or debugging session, written up with the numbers and the failure modes intact — including what stayed broken or unproven. If a post says something was fixed, it was deployed; if it wasn’t verified, the post says so.
Contact#
The best ways to reach me:
- Contact form on this site
- GitHub