Wrangler CLI
ELI5 — The Vibe Check
Wrangler is Cloudflare's command-line tool for building and deploying Workers, Pages, KV stores, and all things Cloudflare. It's like having a remote control for Cloudflare's entire edge network. You write your code, run 'wrangler deploy,' and suddenly it's running in 300+ data centers worldwide. It also has a local dev server so you can test edge functions on your laptop.
Real Talk
Wrangler is Cloudflare's official CLI for developing, testing, and deploying Cloudflare Workers, Pages, KV, R2, D1, and other Cloudflare services. It provides local development via Miniflare, environment management, secret handling, and tail logs. It supports both Workers (serverless functions) and Pages (static/SSR sites).
When You'll Hear This
"wrangler dev gives us a local Cloudflare Workers environment with all bindings." / "One 'wrangler deploy' and our worker is live across 300+ edge locations."
Related Terms
Cloudflare Pages
Cloudflare Pages is like Vercel or Netlify but running on Cloudflare's edge network. Push to Git, it builds and deploys your site globally.
Cloudflare Workers
Workers run JavaScript at the edge — on Cloudflare's network of 300+ data centers worldwide. Your code executes in milliseconds, right next to the user.
Edge Runtime
Edge Runtime is like having tiny copies of your server scattered around the world in every city, so your code runs right next to the user instead of in som