Design35 min
A language model in a loop that calls tools and acts on the results.Authentication, authorization and protecting data from abuse.Keeping data correct when many requests touch it at once.Repeating a request has the same effect as doing it once.Cheap, durable storage for files and blobs, like S3.Core featuresExtreme durability (11 nines)Virtually unlimited scaleLow cost per GB, storage tiersPresigned URLs for direct uploadsWhole-object writes, no in-place editsWhen to useUser uploads, media and backupsLarge files rather than queryable recordsData lakes and long-term archives
PremiumAI App Builder / Lovable
A prompt becomes a running web app in seconds: model-written code, built and served on your machines, that a bad generation must never break.
What they’re really testing: The model writes code nobody reviewed and you run it, npm install included, on shared machines. How do you get a preview in seconds without a bad generation breaking the user's app, or one tenant's code reaching another's?
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What’s inside
- Primary concepts and the hard part
- Requirements
- API / Model
- High-level architecture
- Trade-offs and deep dives
- Possible follow-up questions