cloudflare
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ChineseCloudflare
Cloudflare
Cloudflare is more than a CDN; it is a global super-cloud. In 2025, Workers AI (Edge GPU inference) and R2 (Egress-free storage) are compelling reasons to build here.
Cloudflare不仅仅是一个CDN；它是一个全球超级云平台。2025年，Workers AI（边缘GPU推理）和R2（无出口费用存储）是选择在此构建应用的极具吸引力的理由。
When to Use
适用场景
- Edge Compute: Cloudflare Workers start in <5ms globally. Perfect for APIs and Middleware.
- Storage: R2 is S3-compatible but has zero egress fees. Massive cost savings for data-heavy apps.
- Security: Zero Trust (Access) replaces corporate VPNs.
- 边缘计算：Cloudflare Workers在全球范围内启动时间<5毫秒，非常适合API和中间件场景。
- 存储：R2兼容S3，但无出口费用，能为数据密集型应用大幅节省成本。
- 安全：Zero Trust（访问控制）可替代企业VPN。
Core Concepts
核心概念
Workers
Workers
V8 Isolate-based serverless functions. No cold starts. Write code in TS/JS/Rust/Python.
基于V8 Isolate的无服务器函数，无冷启动问题。支持使用TS/JS/Rust/Python编写代码。
Durable Objects
Durable Objects
Stateful storage at the edge. Allows coordination (e.g., waiting lists, chat rooms) globally without a central DB.
边缘侧的有状态存储，无需中央数据库即可实现全局协调（如等待列表、聊天室等场景）。
Workers AI
Workers AI
Run open-source models (Llama 3, Whisper) on Cloudflare's network of GPUs with a simple API call.
通过简单的API调用，在Cloudflare的GPU网络上运行开源模型（如Llama 3、Whisper）。
Best Practices (2025)
2025年最佳实践
Do:
- Use Wrangler: The CLI is fantastic for local dev and deploy ().
npx wrangler dev - Use R2: Move high-bandwidth assets from AWS S3 to R2 to kill egress bills.
- Use Pages: For hosting static sites + functions (full stack JAMstack).
Don't:
- Don't block good bots: Configure WAF carefully. Use "Managed Rulesets" rather than writing brittle regex rules securely.
建议：
- 使用Wrangler：这款CLI工具非常适合本地开发和部署（）。
npx wrangler dev - 使用R2：将高带宽资产从AWS S3迁移到R2，消除出口费用账单。
- 使用Pages：用于托管静态站点+函数（全栈JAMstack）。
不建议：
- 不要拦截良性爬虫：谨慎配置WAF，优先使用“托管规则集”而非编写脆弱的正则规则。