Deploying a Rails + SQLite App to a Synology NAS

I built a small CRM for my consulting business using Avo on Rails 8. It tracks contacts, companies, deals, and follow-ups — nothing fancy, but shaped exactly to how I work. Single user. No team access needed. The question was where to run it. A $7/month VPS felt wrong for a tool only I use. I don't need uptime guarantees or global availability — I need it accessible from my laptop, phone, and tablet, wherever I am. The answer was already sitting in my office: a Synology NAS on my Tailscale network. Rails 8's Solid stack (Cache, Queue, Cable — all SQLite-backed) means the entire app is one process with one database file. That's NAS-friendly. And Tailscale means every device I own can reach it without exposing anything to the public internet. Here's how I set it up. The Setup Synology DS918+ — Intel Celeron J3455 (x86_64, quad-core 1.5GHz), 4GB RAM DSM 7.2.2-72806 — Container Manager ships Docker daemon 24.0.2 Tailscale installed from Package Center SSH access enabled (Control Panel → Te