← Spiritual Awakening Signs Guide · CodeAmber  ·  July 23, 2026

Step-by-Step Guide to Deploying a React App via Vercel and Netlify

Deploying a React application involves building the project into static assets and hosting them on a platform that provides a Global Content Delivery Network (CDN). Vercel and Netlify are the industry standards for this process, offering seamless integration with Git providers to enable continuous deployment.

Step-by-Step Guide to Deploying a React App via Vercel and Netlify

Moving a React project from a local development environment to a production server requires a transition from a development server (like Vite or Create React App) to a production build. This process ensures that the code is minified, optimized, and served efficiently to end users.

Preparing Your React App for Production

Before uploading your code to a hosting provider, you must ensure the project is stable and optimized. Deploying unoptimized code can lead to slow load times and poor user experiences.

1. Version Control Setup

The most efficient way to deploy is via a Git repository (GitHub, GitLab, or Bitbucket). This allows the hosting platform to trigger an automatic redeploy every time you push a change to your main branch. Ensure your project is initialized with Git and all changes are committed.

2. Environment Variables

If your application uses API keys or secret URLs, do not hardcode them into your source code. Use a .env file locally and prepare to input these keys into the Vercel or Netlify dashboard during the deployment process.

3. Running a Production Build

While the hosting platforms handle this automatically, you should test the build locally first. Run the command npm run build (or yarn build). This creates a build or dist folder containing the production-ready HTML, CSS, and JavaScript. Following best practices for writing clean code during this phase ensures that your production bundle remains lean and performant.

Deploying to Vercel

Vercel is the creator of Next.js and is highly optimized for React frameworks. It offers a streamlined "zero-config" experience for most React projects.

The Vercel Workflow:

1. Connect Your Account: Log into Vercel and connect your GitHub, GitLab, or Bitbucket account.
2. Import Project: Select "Add New" $\rightarrow$ "Project" and import your React repository.
3. Configure Build Settings: Vercel usually detects React automatically. If using Vite, ensure the framework preset is set to "Vite."
4. Add Environment Variables: Expand the "Environment Variables" section and add any keys required for your app to function.
5. Deploy: Click "Deploy." Vercel will provision a unique URL and deploy your site globally.

Deploying to Netlify

Netlify is a powerful alternative that provides extensive control over redirects, headers, and form handling.

The Netlify Workflow:

1. Connect to Git: Select "Add new site" $\rightarrow$ "Import an existing project" and authorize your Git provider.
2. Build Settings: Define the build command (typically npm run build) and the publish directory (typically dist or build).
3. Deploy Site: Click "Deploy site." Netlify will build the project and assign a random subdomain (e.g., wonderful-site-12345.netlify.app).
4. Custom Domain: You can easily attach a custom domain via the "Domain Settings" tab.

Handling Client-Side Routing Issues

A common problem when deploying React apps (especially those using React Router) is the "404 Page Not Found" error upon refreshing a page. This happens because the server looks for a physical file at the URL path, but React is a Single Page Application (SPA) where the routing is handled on the client side.

Solution for Netlify:

Create a file named _redirects in your public folder with the following content: /* /index.html 200 This tells Netlify to redirect all requests to the index file, allowing React Router to take over.

Solution for Vercel:

Create a vercel.json file in the root directory with a rewrite rule:

{
  "rewrites": [{ "source": "/(.*)", "destination": "/index.html" }]
}

Comparing Vercel vs. Netlify for React

Both platforms offer generous free tiers, but their strengths differ slightly:

Post-Deployment Optimization

Once your app is live, the focus shifts from deployment to performance. A live site is the best place to identify bottlenecks.

1. Database Performance

If your React app connects to a backend, ensure your data fetching is efficient. Slow API responses will make a fast-loading frontend feel sluggish. For those managing their own backends, learning how to optimize database queries for maximum performance is critical to maintaining a snappy user interface.

2. Monitoring and Analytics

Use tools like Vercel Analytics or Google Search Console to monitor how users interact with your site and identify any production errors that didn't appear during local development.

Key Takeaways

• Git Integration: Always use a Git-based workflow for continuous deployment (CI/CD).
• Build Process: The npm run build step is essential to transform JSX and modern JS into browser-compatible assets.
• SPA Routing: Use a _redirects file (Netlify) or vercel.json (Vercel) to prevent 404 errors on page refreshes.
• Environment Variables: Store sensitive keys in the platform dashboard, never in your version control system.
• Platform Choice: Use Vercel for maximum speed and Next.js synergy; use Netlify for robust static site management and flexible redirects.

By following these workflows, developers can move from a local environment to a professional production setting with minimal friction. CodeAmber provides these technical guides to ensure that the transition from "it works on my machine" to "it works for the world" is seamless and standardized.