How to Deploy Your Trae-Built App
Step-by-step guide to deploying your Trae app to production. Covers React deployment, environment variables, and production configuration.
What Trae generates
Trae typically generates projects using React, Vue, and Python full-stack apps with TypeScript. Trae generates projects with a frontend framework paired with a Node.js or Python backend, often using REST APIs with no strict backend framework preference. Understanding the stack is important because it determines your deployment options and the specific configuration you'll need.
Where to deploy
Frontend React or Vue apps deploy to Vercel or Netlify. Python backends go to Railway, Render, or a containerized deployment on Fly.io. Full-stack Node.js projects can go to Railway as a monorepo
Step-by-step deployment
Export the generated project and verify it builds locally. Separate frontend and backend deployment configurations if Trae generated them as a monorepo. Set up environment variables for API base URLs, database connections, and any third-party keys. Configure CORS on the backend to allow your frontend's production domain. Deploy backend first, then wire the frontend to the backend URL
Environment variables
One of the most common deployment failures is missing or misconfigured environment variables. Trae apps often hardcode values during development that need to be externalized for production. Audit every file for hardcoded URLs, API keys, and configuration values. Create a .env.example file listing every required variable. Set these in your hosting platform's dashboard before deploying.
Post-deployment checklist
After deploying, verify: HTTPS is enforced on all routes, custom domain is configured and resolving, environment variables are correctly loaded, all features work in production (not just locally), error tracking is capturing exceptions, and performance is acceptable under real conditions.
Common deployment mistakes
The most frequent issues we see in Trae deployments: forgetting to set environment variables (causing startup crashes), not testing the production build locally before deploying, missing build dependencies, and using development configurations in production.
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Related guides
Common Bugs in Trae-Generated Code
The most common bugs we find in Trae apps and how to fix them.
Security Issues in Trae Code
Critical security vulnerabilities commonly found in Trae-generated apps.
Optimizing Trae-Generated Code for Performance
How to make your Trae app faster.
Adding Tests to Your Trae Project
How to add a testing framework to your Trae app.
Related technologies
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