Cloudflare Workers in Hono

// wrangler.toml
name = "my-hono-app"
main = "src/index.ts"
compatibility_date = "2024-01-01"

[vars]
API_KEY = "dev-key"

// src/index.ts
import { Hono } from 'hono'

type Bindings = {
  API_KEY: string
  MY_KV: KVNamespace
  MY_DB: D1Database
}

const app = new Hono<{ Bindings: Bindings }>()

app.get('/', (c) => {
  const apiKey = c.env.API_KEY
  return c.json({ key: apiKey })
})

export default app

# Deploy
npx wrangler deploy