Check your project before you deploy

Deploy Doctor shows your stack, start command, required ENV and common failure causes for free, before you launch.

Most projects launch automatically

GitHub or ZIP → ENV → Deploy → HTTPS

Deploy Doctor — free diagnosis

We check stack and start commands, ENV variables, deploy blockers, Docker/config, and common AI-generated code issues. We only read repo files — no build, no run.

Stack and start commands
Environment variables
Issues that block deploy
Docker and configuration
Common AI-code mistakes

Log review

Paste a build or runtime error log — get the cause, steps, and a Cursor prompt. Part of free diagnosis.

Guides for AI tools

Pre-deploy checklists for projects from Lovable, Bolt, Cursor, and Replit.

lovable bolt cursor replit