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Ruby can render 3D surfaces, 2D density maps and GIS tiles without Python, NumPy or the JVM. I didn't expect it to work this well.
u/Jaded-Clerk-8856 avatar u/Jaded-Clerk-8856
Ruby can render 3D surfaces, 2D density maps and GIS tiles without Python, NumPy or the JVM. I didn't expect it to work this well.
  • Image
    r/ruby - Ruby can render 3D surfaces, 2D density maps and GIS tiles without Python, NumPy or the JVM. I didn't expect it to work this well.
  • Image
    r/ruby - Ruby can render 3D surfaces, 2D density maps and GIS tiles without Python, NumPy or the JVM. I didn't expect it to work this well.
  • Image
    r/ruby - Ruby can render 3D surfaces, 2D density maps and GIS tiles without Python, NumPy or the JVM. I didn't expect it to work this well.
  • Image
    r/ruby - Ruby can render 3D surfaces, 2D density maps and GIS tiles without Python, NumPy or the JVM. I didn't expect it to work this well.
Open-sourced our Rails 8.1 multi-tenant API backend (MIT) — extracted from a production app
u/DaisukeAdachi
Open-sourced our Rails 8.1 multi-tenant API backend (MIT) — extracted from a production app
Open-sourced our Rails 8.1 multi-tenant API backend (MIT) — extracted from a production app
r/rails •
Open-sourced our Rails 8.1 multi-tenant API backend (MIT) — extracted from a production app

Hi r/rails 👋

We just open-sourced the Rails 8.1 API backend that powers our native iOS + Android template (NativeAppTemplate). It's extracted from MyTurnTag Creator — a real app shipping to real users on the App Store and Google Play.

Repo: https://github.com/nativeapptemplate/nativeapptemplateapi

Stack highlights:

  • Rails 8.1 with Solid Queue / Cache / Cable

  • PostgreSQL

  • Path-based multitenancy (/:account_id/) via acts_as_tenant

  • Token authentication via devise_token_auth

  • Authorization via Pundit

  • 205 Minitest tests across models, policies, serializers, controllers

  • render.yaml committed — one-click deploy

  • Madmin admin panel

  • jsonapi-serializer for response shape

Why this might be interesting to you:

  • A working reference for path-based multitenancy in Rails (it's harder than it looks once you mix Pundit + acts_as_tenant + token auth)

  • An example of a Rails API serving multi-platform clients (real native iOS/Android, not WebViews)

  • Solid Queue / Cache / Cable wired up in a real app — not just hello-world

Honest tradeoffs / things you might not love:

  • Opinionated structure — won't suit every team

  • Multitenancy is account-scoped, not row-scoped (different needs require different patterns)

  • We use devise_token_auth, which is fine but not everyone's preferred auth approach

I'd love feedback on the multitenancy approach, the test structure, or anything else you spot. Happy to answer architecture questions.

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