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)

Tutorial, solution guide và reference từ developers.cloudflare.com/resources ↗ — gợi ý theo chủ đề bài học. Tutorials, solution guides, and reference docs from developers.cloudflare.com/resources ↗ — matched to this lesson topic.