Step-by-Step Guide to Deploying Deno Apps on Vercel, Netlify, and Cloudflare Workers

Deploying Deno applications can seem daunting at first, but with the right steps, you can get your app running on popular platforms like Vercel, Netlify, and Cloudflare Workers. This guide provides a clear, step-by-step process for each platform to help you deploy your Deno apps efficiently.

Prerequisites

  • Basic knowledge of Deno and JavaScript/TypeScript
  • Accounts on Vercel, Netlify, and Cloudflare Workers
  • Installed Git and a code editor
  • Familiarity with command-line interface

Deploying on Vercel

Vercel offers native support for Deno, making deployment straightforward. Follow these steps:

1. Prepare Your Deno App

Ensure your application has a main entry point, typically main.ts. Use a deno.json or deno.jsonc configuration file if needed.

2. Initialize Git Repository

Initialize your project with Git and commit your code:

git init and git add . followed by git commit -m “Initial commit”.

3. Connect to Vercel

Login to Vercel CLI or use the web interface. Run:

vercel

4. Configure Build Settings

Specify the build command and output directory if necessary. For Deno, you might set the build command to run your server or use a custom serverless function.

5. Deploy

Follow prompts to deploy. Vercel will handle the rest, providing a URL for your live app.

Deploying on Netlify

Netlify supports Deno through build commands and functions. Use these steps:

1. Prepare Your App for Deployment

Ensure your app is ready with a clear entry point and dependencies. Use a netlify.toml configuration file for setup.

2. Push to GitHub

Push your code to a GitHub repository connected to Netlify.

3. Connect to Netlify

In Netlify dashboard, create a new site from GitHub. Configure build settings:

Build command: deno run --allow-net main.ts

Publish directory: leave blank or specify as needed.

4. Deploy

Click “Deploy” and wait for the process to complete. Your Deno app will be live on the provided URL.

Deploying on Cloudflare Workers

Cloudflare Workers support Deno-compatible code through the wrangler CLI. Follow these steps:

1. Install Wrangler

Run npm install -g wrangler to install the CLI globally.

2. Initialize a Worker Project

Create a new project with wrangler generate:

wrangler generate my-deno-worker

3. Configure Your Worker

Edit wrangler.toml to set your account ID and other options. Use type = "javascript" for compatibility.

4. Deploy

Run wrangler publish. Your app will be deployed to Cloudflare Workers, accessible via the provided URL.

Conclusion

Deploying Deno applications on Vercel, Netlify, and Cloudflare Workers is accessible with the right setup. Each platform offers unique features suitable for different use cases. Follow these steps to get your Deno app live and accessible on the web.