Self-hosted dev sandboxes with preview URLs (Docker, Go, no K8s)

kept by eddie jun 25

sandboxd is an open-source backend that creates isolated Linux containers with AI coding agents and live preview URLs, all self-hosted on one machine using Docker and Go.

GitHub - R44VC0RP/pgrok: Personal ngrok alternative. Expose local ports to the internet with automatic HTTPS via SSH tunnels + Caddy.
Pgrok is an open-source self-hosted ngrok alternative that exposes local ports to the internet via SSH tunnels with automatic HTTPS, a TUI dashboard, and HTTP request inspection.
also on Caddy, #open-source, #developer-tools
BuildKit: Docker's Hidden Gem That Can Build Almost Anything
BuildKit is a general-purpose, pluggable build framework that can produce OCI images, tarballs, local directories, APK packages, and more via custom frontends, not just Dockerfiles.
also on Docker, #infrastructure, #open-source, #developer-tools
A field guide to sandboxes for AI
Sandboxing tools for AI agents differ fundamentally by boundary (containers, gVisor, microVMs, Wasm), not just by policy, and picking the wrong one creates either leaks or excessive cost.
also on Docker, #infrastructure, #developer-tools
How Tailscale helped find the SQLite WAL-Reset bug
Tailscale engineers and SQLite developers collaborated to identify and fix a rare data race bug in SQLite's WAL checkpointing that caused months of database corruption in Tailscale's control plane.
also on #go, #open-source, #ai-coding, #developer-tools
Iterating faster with TypeScript 7
The VS Code team incrementally adopted TypeScript 7, a Go port of the compiler, achieving 4–7× speedups in builds and editor tooling.
also on #go, #open-source, #developer-tools