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The Fabrica
Production FastAPI + Next.js foundation for SaaS builders
The Fabrica is a production FastAPI + Next.js SaaS foundation for builders who don't want their coding agent to rediscover auth, billing, credits, workers, migrations and lifecycle from scratch. The architecture, boundaries, invariants and 49 practical recipes are already documented so you can start with production context, not just starter code. Built especially for AI-heavy products with async work and metered usage. $379 Solo / $749 Team.
I built The Fabrica because I got tired of spending the first few weeks of every SaaS rebuilding the same production layer.
Auth. Billing. Credits. Workers. Migrations. Account lifecycle. Deployment config. And then all the failure modes between those pieces.
There are already plenty of SaaS boilerplates, and coding agents can generate starter code very quickly now. So if the value were just “here are some files”, I don’t think this product should exist.
The bet behind The Fabrica is different:
the valuable part is the production decisions, integration work, verification, and context that you can hand to your coding agent instead of rebuilding them every time.
It’s particularly aimed at SaaS products with AI, async work and metered usage.
The repo also includes:
deep architecture and implementation docs explicit product-specific _domain/ boundaries 49 practical recipes an AI-oriented guide to the codebase documented invariants, failure modes and tradeoffs
It is deliberately designed to be worked on with coding agents.
As code generation gets cheaper, the valuable part moves from generating files to giving the agent the right architecture, boundaries, invariants, failure modes and verification context from the start.
So the idea isn’t “buy this instead of using Claude.”
It’s: give Claude a production foundation instead of asking it to rediscover one from scratch.
Before releasing it, I forced the buyer path through fresh-clone and real sandbox checks. That process found bugs the existing test suite had missed, including a Paddle webhook concurrency race.
I know trust is probably the hardest part when selling a private codebase, so you can inspect the claim before buying:
there’s an 81-second walkthrough recorded from the exact release tag a public inspection repo with representative code, tests and docs Scribora is the real product the foundation was originally extracted from
Pricing is one-time:
Solo — $379 Team — $749
I’d especially like feedback from Python/FastAPI builders:
is “I can build this, but I don’t want to rebuild and re-validate it again” a strong enough reason to buy a foundation like this?
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About The Fabrica on Product Hunt
“Production FastAPI + Next.js foundation for SaaS builders”
The Fabrica was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #130 on the daily leaderboard. The Fabrica is a production FastAPI + Next.js SaaS foundation for builders who don't want their coding agent to rediscover auth, billing, credits, workers, migrations and lifecycle from scratch. The architecture, boundaries, invariants and 49 practical recipes are already documented so you can start with production context, not just starter code. Built especially for AI-heavy products with async work and metered usage. $379 Solo / $749 Team.
The Fabrica was featured in SaaS (44.1k followers), Developer Tools (519k followers) and Artificial Intelligence (478.1k followers) on Product Hunt. Together, these topics include over 258k products, making this a competitive space to launch in.
Who hunted The Fabrica?
The Fabrica was hunted by Indie Rob. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Indie Rob
Hey Product Hunt 👋
I built The Fabrica because I got tired of spending the first few weeks of every SaaS rebuilding the same production layer.
Auth. Billing. Credits. Workers. Migrations. Account lifecycle. Deployment config. And then all the failure modes between those pieces.
There are already plenty of SaaS boilerplates, and coding agents can generate starter code very quickly now. So if the value were just “here are some files”, I don’t think this product should exist.
The bet behind The Fabrica is different:
the valuable part is the production decisions, integration work, verification, and context that you can hand to your coding agent instead of rebuilding them every time.
The stack is deliberately opinionated:
FastAPI + Next.js + Postgres + Celery/Redis + Paddle
It’s particularly aimed at SaaS products with AI, async work and metered usage.
The repo also includes:
deep architecture and implementation docs
explicit product-specific _domain/ boundaries
49 practical recipes
an AI-oriented guide to the codebase
documented invariants, failure modes and tradeoffs
It is deliberately designed to be worked on with coding agents.
As code generation gets cheaper, the valuable part moves from generating files to giving the agent the right architecture, boundaries, invariants, failure modes and verification context from the start.
So the idea isn’t “buy this instead of using Claude.”
It’s: give Claude a production foundation instead of asking it to rediscover one from scratch.
Before releasing it, I forced the buyer path through fresh-clone and real sandbox checks. That process found bugs the existing test suite had missed, including a Paddle webhook concurrency race.
I know trust is probably the hardest part when selling a private codebase, so you can inspect the claim before buying:
there’s an 81-second walkthrough recorded from the exact release tag
a public inspection repo with representative code, tests and docs
Scribora is the real product the foundation was originally extracted from
Pricing is one-time:
Solo — $379
Team — $749
I’d especially like feedback from Python/FastAPI builders:
is “I can build this, but I don’t want to rebuild and re-validate it again” a strong enough reason to buy a foundation like this?
Thanks for taking a look.