Skip to main content

Cloudflare Docs

Menu

Home
GitHub(在新分頁開啟)

Cloudflare Workers

Overview

CLI
Dashboard
Prompting
Templates

Cloudflare Workers

Examples
Tutorials

Workers Best Practices

Overview
Build an Interactive ChatGPT App

Overview
Environment variables and secrets
Vite Plugin
Choosing between Wrangler & Vite
Developing with multiple Workers
Adding local data
Supported bindings per development mode
Local Explorer
Share a local dev server

Cloudflare Workers

Playground

Overview
Programmatic configuration(在新分頁開啟)
Bindings
Cloudflare Access
Compatibility dates
Compatibility flags
Cron Triggers
Environment variables
Multipart upload metadata
Page Rules
Placement
Secrets

Overview
Start from existing
Start from scratch
Start from Worker
Workers Sites configuration

Overview
APIs
External Services

Overview
Custom Domains
Routes
workers.dev

Overview
Get started
Configuration
Resources and isolation
Custom domains
Test and debug
Compare workflows
Examples

Overview
Workers
Durable Objects

Overview
Deployment management
Version overrides
Rollbacks
Version URLs

Overview
Version affinity
With Durable Objects

Overview

Overview
Configuration
Automatic pull requests
Build image
Build caching
Build branches
Build watch paths
Deploy Hooks
Advanced setups
Event subscriptions
Troubleshooting builds
Builds API reference
Limits & pricing

Overview
Artifacts integration
GitHub integration
GitLab integration
Cursor Origin integration

Overview
GitHub Actions
GitLab CI/CD

Overview
Configuration
Cache keys
Purge and invalidate the cache
Examples
Debugging
Limitations

Overview
Cache
Console
Context (ctx)
Encoding
EventSource
Fetch
Headers
HTMLRewriter
MessageChannel
Performance and timers
Request
Response
Scheduler
TCP sockets
Web Crypto
Web standards
WebSockets

Overview
Lifecycle
Reserved Methods
Visibility and Security Model
TypeScript
Error handling

Overview
Wasm in JavaScript

Overview
AI(在新分頁開啟)
AI Search(在新分頁開啟)
Analytics Engine(在新分頁開啟)
Analytics SQL binding
Assets
Browser Run(在新分頁開啟)
D1(在新分頁開啟)
Dispatcher (Workers for Platforms)(在新分頁開啟)
Durable Objects(在新分頁開啟)
Dynamic Worker Loaders
Environment Variables
Hyperdrive(在新分頁開啟)
Images(在新分頁開啟)
KV(在新分頁開啟)
Media Transformations(在新分頁開啟)
mTLS
Queues(在新分頁開啟)
R2(在新分頁開啟)
Rate Limiting
Secrets
Secrets Store(在新分頁開啟)
Stream(在新分頁開啟)
Vectorize(在新分頁開啟)
Version metadata
Workflows(在新分頁開啟)

Overview
HTTP
RPC (WorkerEntrypoint)

Overview
Alarm Handler(在新分頁開啟)
Connect Handler
Email Handler(在新分頁開啟)
Fetch Handler
Queue Handler(在新分頁開啟)
Scheduled Handler
Tail Handler

Overview
assert
AsyncLocalStorage
Buffer
crypto
Diagnostics Channel
dns
EventEmitter
fs
http
https
net
path
process
Streams
StringDecoder
test
timers
tls
url
util
zlib

Overview
ReadableStream
ReadableStream BYOBReader
ReadableStream DefaultReader
TransformStream
WritableStream
WritableStream DefaultWriter

Overview
Get Started
Configuration and Bindings
Headers
Redirects
Direct Uploads
Billing and Limitations

Full-stack application
Single Page Application (SPA)
Static Site Generation (SSG) and custom 404 pages
Worker script

Gradual rollouts(在新分頁開啟)
HTML handling
Serving a subdirectory

Migrate from Pages to Workers
Migrate from Netlify to Workers
Migrate from Vercel to Workers

Deploy an existing project

React + Vite
Astro
React Router (formerly Remix)
Next.js
OpenNext adapter
Vue
RedwoodSDK
TanStack Start
Microfrontends
SvelteKit
Vike
Foldkit
fate

Analog
Angular
Docusaurus
Gatsby
Hono
Nuxt
Qwik
Solid
Waku

Expo(在新分頁開啟)

FastAPI
Flask
Hono

Agents SDK(在新分頁開啟)
LangChain

Connect to databases
Analytics Engine(在新分頁開啟)
Vectorize (vector database)(在新分頁開啟)
Cloudflare D1(在新分頁開啟)
Hyperdrive(在新分頁開啟)

Overview
Neon
PlanetScale
Supabase
Turso
Upstash
Xata

Overview
Metrics and analytics
Query Builder
OpenTelemetry export
Errors and exceptions
Profiling in production
Source maps and stack traces

Overview
Workers Logs
Real-time logs
Tail Workers
Workers Logpush

Overview
Custom spans
Spans and attributes
Known limitations

Overview
Breakpoints
Profiling CPU usage
Profiling Memory

Overview
Investigate issues
Set up an automation

Sentry(在新分頁開啟)

Overview
Wrangler's unstable_startWorker()

Overview
Write your first test
Recipes and examples
Configuration
Mock outbound requests
Test APIs
Isolation and concurrency
Debugging
Known issues

Migrate to Vitest plugin
Migrate from Vitest 3 to Vitest 4
Migrate from Miniflare 2's test environments
Migrate from unstable_dev

Overview
Get started
Configure the test harness
Prepare test state
Interact with Workers
Integrations

Overview
Get Started
Writing tests

Compatibility Dates
Fetch Events
Modules
Multiple Workers
Queues
Scheduled Events
Variables and Secrets
Web Standards
WebSockets

Attaching a Debugger
Live Reload

Migrating from Version 2

Cache
D1
Durable Objects
KV
R2

Overview
Install/Update Wrangler
API
Authentication profiles
Bundling
Configuration
Custom builds
Deprecations
Environments
System environment variables

Migrate from Wrangler v3 to v4
Migrate from Wrangler v2 to v3

1. Migrate webpack projects
2. Update to Wrangler v2

Overview
Install / Update
Authentication
Commands
Configuration
Webpack

Overview
Workers
General commands
Artifacts
Basin Pipelines
Browser
Certificates
Containers
D1
Flagship
Hyperdrive
KV
Pages
Queues
R2
Secrets Store
Tunnel
Vectorize
VPC
Workers for Platforms
Workflows

Overview
Get started
Tutorial - React SPA with an API

API
Static Assets
Debugging
Migrating from wrangler dev
Secrets
Vite Environments
Cloudflare Environments
Non-JavaScript modules
Programmatic configuration

Overview

Overview
Examples(在新分頁開啟)

Overview
Examples(在新分頁開啟)

Overview
The Basics
How Python Workers Work
Foreign Function Interface (FFI)
Standard Library
Examples

Overview
Django
FastAPI
Flask
Langchain

Overview
Supported crates

Overview
Pricing
Limits
Choose a data or storage product
Betas
Deploy to Cloudflare buttons
Claim deployments (temporary accounts)
Built with Cloudflare button
Known issues
Workers for Platforms(在新分頁開啟)
Infrastructure as Code (IaC)

Overview
Workers (Historic)
Wrangler(在新分頁開啟)

Cloudflare Workers

Glossary

How the Cache works
How Workers works
Migrate from Service Workers to ES Modules
Protocols
Security model

本页还没有译文

本页 3 段还没译成繁體中文，下面显示的是英文原文。

Migrate from Wrangler v1 to v2

还没翻译译自英文（developers.cloudflare.com）本页 3 段都还没译

This guide details how to migrate from Wrangler v1 to v2.

1. Migrate webpack projects
2. Update to Wrangler v2
Wrangler v1 (legacy)

AI 翻译·查看英文原文

Adapted from developers.cloudflare.com/workers/wrangler/migration/v1-to-v2 by Cloudflare, Inc., licensed under CC BY 4.0. Changes were made: this page is re-rendered from the original's source.

譯文 © 2026 fanyi.dev · 原文 © 2026 Cloudflare, Inc. (CC BY 4.0)

加寬內文