Lộ trình đang học Current learning path

Developer Platform Developer Platform

Build và deploy apps trên Cloudflare. Build and deploy apps on Cloudflare.

Phần 3: Chọn storage đúng Part 3: Pick the right storage · Bài 3/3 Lesson 3/3

R2 cho file và tài liệu R2 for files and assets

PDF, slides, upload user — object storage. Có thể phục vụ public hoặc signed URL sau này. PDFs, slides, user uploads — object storage. Serve public or via signed URLs later.

Các bước thực hiện Step-by-step

Dashboard → R2 → Create bucket. Dashboard → R2 → Create bucket.
Binding `R2_BUCKET` trong Worker/Pages. Bind `R2_BUCKET` in Worker/Pages.
Upload object: `bucket.put(key, stream)`. Upload object: `bucket.put(key, stream)`.
Serve public qua custom domain hoặc signed URL. Serve publicly via custom domain or signed URL.

Giải thích chi tiết Detailed explanation

R2 = S3-compatible, egress miễn phí — lý tưởng asset, backup, user upload. R2 is S3-compatible with zero egress fees — ideal for assets, backups, user uploads.

Lưu ý (best practices) Note (best practices)

Truy cập R2 qua binding `env.MY_BUCKET` — không dùng REST API từ Worker. Binding không cần network hop hay authentication. Access R2 via the `env.MY_BUCKET` binding — do not use the REST API from a Worker. Bindings require no network hop or authentication.

Nguồn: Source: Workers Best Practices Workers Best Practices ↗

Ví dụ triển khai (Cloudflare Resources) Deployment examples (Cloudflare Resources)

Ví dụ chính thức từ Cloudflare Resources — gợi ý theo chủ đề bài học trong lộ trình này. Official examples from Cloudflare Resources — matched to this lesson within this path.

Tutorial Tutorial Developer Platform Developer Platform

Log và store upload events in R2 với event notifications Log and store upload events in R2 with event notifications

Tóm tắt thực hành: Log và store upload events in R2 với event notifications trên R2 Object Storage. This example provides a step-by-step guide on using event notifications to capture and store R2 upload logs in a separate bucket.

This example provides a step-by-step guide on using event notifications to capture and store R2 upload logs in a separate bucket.

Tìm hiểu thêm Learn more

Tutorial Tutorial Developer Platform Developer Platform

Securely access và upload assets với Cloudflare R2 Securely access and upload assets with Cloudflare R2

Tutorial này hướng dẫn cách create a TypeScript-based Cloudflare Workers project that can securely access files from and upload files to a CloudFlare R2 bucket.

This tutorial explains how to create a TypeScript-based Cloudflare Workers project that can securely access files from and upload files to a CloudFlare R2 bucket.

Tìm hiểu thêm Learn more

Tutorial Tutorial Developer Platform Developer Platform

Sử dụng event notification to summarize PDF files on upload Use event notification to summarize PDF files on upload

Tóm tắt thực hành: Sử dụng event notification to summarize PDF files on upload trên R2 Object Storage. Use event notification to summarize PDF files on upload. Use Workers AI to summarize the PDF and store the summary as a text file.

Use event notification to summarize PDF files on upload. Use Workers AI to summarize the PDF and store the summary as a text file.

Tìm hiểu thêm Learn more

Tutorial Tutorial Application Services Application Services

Transform user-uploaded images before uploading to R2 Transform user-uploaded images before uploading to R2

Set up bindings to connect Images, R2, and Assets to your Worker.

Set up bindings to connect Images, R2, and Assets to your Worker

Tìm hiểu thêm Learn more

Xem thêm ví dụ trong lộ trình → More examples in this path →

Tài liệu Cloudflare Developers Cloudflare Developer docs

R2 get started R2 get started ↗

Sơ đồ kiến trúc (Cloudflare Docs) Architecture diagrams (Cloudflare Docs)

Use Case 1: Secure User Uploads to R2 via Signed URLs — Storing user generated content Storing user generated content

Store user-generated content in R2 for fast, secure, and cost-effective architecture. Store user-generated content in R2 for fast, secure, and cost-effective architecture.

Thuật ngữ: Concepts: R2 · Workers · UGC · Object storage

Sơ đồ chính thức ↗ Official diagram ↗ · Storage Storage

Figure 1: Cloudflare Image Resizing and R2 — Optimizing image delivery with Cloudflare image resizing and R2 Optimizing image delivery with Cloudflare image resizing and R2

Learn how to get a scalable, high-performance solution to optimizing image delivery. Learn how to get a scalable, high-performance solution to optimizing image delivery.

Thuật ngữ: Concepts: Image Resizing · R2 · Transformations · Cache

Sơ đồ chính thức ↗ Official diagram ↗ · Content delivery Content Delivery

Sản phẩm liên quan Related products

R2 R2

Học xong hoặc muốn đổi hướng? Finished or want a different path?

Ba lộ trình độc lập — mỗi lộ trình chỉ gồm bài học và tài liệu trong phạm vi đó. Chọn lộ trình khác khi sẵn sàng, không cần học song song. Three independent paths — each includes only lessons and materials for that scope. Switch when you are ready; no need to study paths in parallel.

Application Services Application Services

Bảo vệ và tăng tốc website, application và API Protect and accelerate websites, applications, and APIs

Vào lộ trình này → Enter this path →

Cloudflare One Cloudflare One

Bảo vệ users, access, SaaS và mạng doanh nghiệp Secure users, access, SaaS, and corporate networks

Vào lộ trình này → Enter this path →

Chưa chắc — làm bài chọn lộ trình Not sure — use the path selector · So sánh cả ba lộ trình Compare all three paths