How I Turned an Open Source AI Repo Into a SaaS in One Evening (Lovable | Supabase |Stripe Tutorial)

Resources: Supabase: https://supabase.plug.dev/W8d6e00 MiroFish original build video: https://youtu.be/Yg9H4WiaZ_M Lovable: https://lovable.dev Replit: https://replit.com Stripe: https://stripe.com Sign-up to free newsletter: https://aifornoncoders.com/newsletter Join the AI Automation Engineering Community: Go deeper — interact with me and the community, get feedback on your builds, and stay ahead of the curve 👉 https://www.skool.com/ai-automation-engineering-3014 In this tutorial I'll show you exactly how I wrapped MiroFish — a multi-agent AI simulation engine — in a full SaaS paywall using Supabase, Lovable, Stripe, and Replit. No manual backend configuration. One Lovable prompt generates the entire dashboard, wires up Supabase auth, writes RLS policies, and scaffolds Stripe billing. One Replit prompt locks down the simulation engine with JWT verification. Here's what you'll learn: - How to scaffold a production SaaS dashboard from a single prompt using Lovable's native Supabase integration - How Supabase handles auth, database, and edge functions as a unified trust anchor across two separate platforms - How to enforce per-user quotas atomically at the database level — no application logic required - How a Supabase JWT securely bridges your frontend and a separate backend (Replit) without exposing tokens - How Stripe webhooks write a single row to Supabase to complete the entire billing system This Supabase tutorial covers Auth, PostgreSQL with row-level security, Edge Functions, and cross-platform JWT verification — the same stack you'd use for any serious SaaS product. TIMESTAMPS: 0:00 - Demo: The full SaaS flow in 30 seconds 1:30 - The Stack: Lovable, Supabase, Stripe, Replit 3:00 - Build with Lovable: One prompt generates the entire dashboard 6:00 - Supabase under the hood: Auth, RLS, Edge Functions 6:30 - Lock down Replit with JWT middleware 7:30 - How the JWT secures everything end-to-end 8:15 - Deploy 8:30 - Live demo: Sign in → hit quota → upgrade → Pro 10:15 - Recap 10:30 - Free Starter Kit + next video FREE RESOURCE: Download the SaaS Starter Kit (Lovable template + Supabase schema + Replit JWT middleware + Stripe config): https://github.com/derekcheungsa/mirofish-railway/blob/master/SaaS_Starter_Kit.pdf #Supabase #SaaSBuild #LovableAI #SupabaseTutorial #AIAutomation