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Libations: Tailscale on the Rocks
A deep dive into my home grown cocktail recipe app which speaks Tailscale natively using tsnet, and serves up delicious drinks direct to your tailnet. Libations is built with Go, Nix and Vanilla Framework.
Rather than using the universal TUN/TAP driver in the Linux kernel, tsnet instead uses a userspace TCP/IP networking stack, which enables the process embedding it to make direct connections to other devices on your tailnet as if it were “just another machine”. Unfortunately it was given to me in a hard-to-parse PDF, which resulted in many hours of playing with OCR tools and manual data cleaning - but enabled me to bootstrap the app with around 450 high quality recipes. Setting up the tsnet server and listener is only mildly more complicated – but mostly due to my requirement that all HTTP traffic is redirected to HTTPS, using the LetsEncrypt certificates that Tailscale provides automatically.
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