Full-stack AI apps: architecture learning path

Trace one record through the system

Start with a customer request or another small record. Identify who creates it, who may see it, and which states it can move through. Then trace those decisions through the interface, backend functions, and database. A hidden administrator button is not a backend access rule. Record ownership should be explicit rather than inferred from a convenient screen layout.

The full-stack guide turns this into a vertical-slice test. Use two separate accounts, invalid inputs, and an unauthenticated request. Verify that the stored data and confirmation message agree. These are proposed evaluation checks, not a report that every product in the directory has passed them.

Compare responsibility as well as capability

Macaly documents Convex and authentication building blocks. Lovable and Bolt describe integrated full-stack capabilities. v0 documents backend connections and Replit describes infrastructure setup. Cursor can work within a developer's existing application. Read each profile for the scope of the vendor-published description and the handoff questions it leaves open.

Before launch, identify who will handle data backups, credentials, outages, and schema changes. Database records, uploaded files, and source code may need separate recovery paths. The deployment and ownership guides help turn architectural decisions into an operating plan.

Explore this reference

• Lovable — strengths, limits & fit

  Lovable is a natural-language, full-stack web application platform with editable code, shared workspaces, and documented Git sync. It is a credible option for teams that want a conversational builder and a repository handoff.

• Building full-stack apps with AI builders

  A full-stack app needs more than generated screens. Define the data model, enforce authorization on the backend, keep secrets server-side, and test one complete user journey.

• Backend and database: meaning and practical checks

  The backend performs trusted application operations; a database persists structured information used by the application.

• Authentication and authorization: meaning and practical checks

  Authentication establishes who a user is; authorization decides which actions and records that user may access.

Continue reading

Your next useful step.

• Building full-stack apps with AI builders
• Backend and database: meaning and practical checks
• Authentication and authorization: meaning and practical checks
• Lovable — strengths, limits & fit