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  4. Hono

Hono

Hono is a small, simple, and ultrafast web framework for Cloudflare Pages and Workers, Deno, and Bun. In this guide, you will create a new Hono application and deploy it using Cloudflare Pages.

​​ Create a new project

Use the create-cloudflare CLI (C3) to create a new project. C3 will create a new project directory, initiate Hono’s official setup tool, and provide the option to deploy instantly.

To use create-cloudflare to create a new Hono project, run the following command:

$ npm create cloudflare@latest my-hono-app -- --framework=hono

Open your project and create a src/server.js file (or src/server.ts if you are using TypeScript). Add the following content to your file:

import { Hono } from "hono";

const app = new Hono();


app.get("/", (ctx) => ctx.text("Hello world, this is Hono!!"));



export default app;

To serve static files like CSS, image or JavaScript files, add the following to your src/server.js/ts file:

app.get("/public/*", async (ctx) => {
  return await ctx.env.ASSETS.fetch(ctx.req.raw);

});

This will cause all the files in the public folder within dist to be served in your application.

Open your package.json file and update the scripts section:

package.json
    "scripts": {
        "dev": "run-p dev:*",
        "dev:wrangler": "wrangler pages dev dist --live-reload",
        "dev:esbuild": "esbuild --bundle src/server.js --format=esm --watch --outfile=dist/_worker.js",
        "build": "esbuild --bundle src/server.js --format=esm --outfile=dist/_worker.js",
        "deploy": "wrangler pages publish dist"
    },

package.json
    "scripts": {
        "dev": "run-p dev:*",
        "dev:wrangler": "wrangler pages dev dist --live-reload",
        "dev:esbuild": "esbuild --bundle src/server.ts --format=esm --watch --outfile=dist/_worker.js",
        "build": "esbuild --bundle src/server.ts --format=esm --outfile=dist/_worker.js",
        "deploy": "wrangler pages publish dist"
    },

Then, run the following command.

$ npm install npm-run-all --save-dev

Installing npm-run-all enables you to use a single command (npm run dev) to run npm run dev:wrangler and npm run dev:esbuild simultaneously in watch mode.

​​ Run in local dev

Start your dev workflow by running:

$ npm run dev

You should be able to review your generated web application at http://localhost:8788.

​​ Before you continue

All of the framework guides assume you already have a fundamental understanding of Git. If you are new to Git, refer to this summarized Git handbook on how to set up Git on your local machine.

If you clone with SSH, you must generate SSH keys on each computer you use to push or pull from GitHub.

Refer to the GitHub documentation and Git documentation for more information.

​​ Create a GitHub repository

Create a new GitHub repository by visiting repo.new. After creating a new repository, go to your newly created project directory to prepare and push your local application to GitHub by running the following commands in your terminal:

$ git init

$ git remote add origin https://github.com/<your-gh-username>/<repository-name>

$ git add .

$ git commit -m "Initial commit"

$ git branch -M main

$ git push -u origin main

​​ Deploy with Cloudflare Pages

​​ Deploy via the create-cloudflare CLI (C3)

If you use create-cloudflare(C3) to create your new Hono project, C3 will install all dependencies needed for your project and prompt you to deploy your project via the CLI. If you deploy, your site will be live and you will be provided with a deployment URL.

​​ Deploy via the Cloudflare dashboard

  1. Log in to the Cloudflare dashboard and select your account.
  2. In Account Home, select Workers & Pages > Create application > Pages > Connect to Git.
  3. Select the new GitHub repository that you created and, in the Set up builds and deployments section, provide the following information:
Configuration optionValue
Production branchmain
Build commandnpm run build
Build directorydist

After configuring your site, you can begin your first deploy. You should see Cloudflare Pages installing my-hono-app, your project dependencies, and building your site before deploying it.

After deploying your site, you will receive a unique subdomain for your project on *.pages.dev. Every time you commit new code to your Hono site, Cloudflare Pages will automatically rebuild your project and deploy it. You will also get access to preview deployments on new pull requests, so you can preview how changes look to your site before deploying them to production.

​​ Tutorials

For more tutorials involving Hono, refer to the following resources:

​​ Demo apps

For demo applications using Hono, refer to the following resources: