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@tonyfranco

Anthony Franco

@tonyfranco·Joined October 2025

Rails & AI developer sharing lessons from real projects.

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Cofounder at Better Cater – building next-gen SaaS for caterers. Using Rails + AI to ship faster, fix pain points, and keep things simple.

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Anthony Franco's blogs

Anthony Franco Devanthonyfranco.dev1 post

About

Cofounder at Better Cater – building next-gen SaaS for caterers. Using Rails + AI to ship faster, fix pain points, and keep things simple.

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Nothing here yet.

Anthony Franco's blogs

Anthony Franco Devanthonyfranco.dev1 post

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AFAnthony Francoinanthonyfranco.dev·Oct 6, 2025 · 2 min read

Rails `allowed_redirect_hosts` Finally Fixed Subdomain Redirects

The Problem Everyone Has You're building a multi-tenant SaaS with subdomains. User logs in at www.myapp.com, you redirect them to tenant1.myapp.com. Rails throws this at you: ActionController::Redirecting::UnsafeRedirectError: Unsafe redirect to "htt...