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Setup

Wrangler CLI

Install and authenticate Wrangler for Cloudflare Workers deployment.

When to use this page

  • You deploy frontend/static assets to Cloudflare Workers.
  • You want project-local CLI versioning in a monorepo or multi-app setup.

Prerequisites

  • Node package manager available (pnpm, bun, or npm).
  • Cloudflare account ready for authentication.

Install

Installation

Install Wrangler as a dev dependency in your project:

pnpm add -D wrangler@latest

Authentication

After installing, authenticate with your Cloudflare account:

pnpm wrangler login

Verify

pnpm wrangler --version

Troubleshooting

  • Login opens wrong account: Logout in browser and repeat wrangler login with the correct profile.
  • CI uses a different Wrangler version: Pin Wrangler version in package.json instead of using floating latest.

Fly CLI (flyctl)

Install and authenticate the Fly CLI used for app and infrastructure management.

Creating Fly App

Deploy your application on Fly.io

On this page

When to use this pagePrerequisitesInstallInstallationAuthenticationVerifyTroubleshooting