Aliyun OSS Setup Guide

Create an OSS bucket, RAM-scoped keys, CORS, and ShrimpSend settings.

When to use Aliyun OSS

• Payloads should live on Alibaba Cloud OSS.
• Primary access from mainland China networks.

Prerequisites

1. OSS console.
2. OSS enabled; pick a region (e.g. Hangzhou oss-cn-hangzhou).

Create bucket

1. Bucket List → Create Bucket; unique name; Private ACL.

Copy public endpoint from overview:

https://oss-cn-hangzhou.aliyuncs.com

Access keys

1. RAM → Users → Create with OpenAPI access.
2. Custom policy on one bucket only (Put/Get/Delete + multipart actions).

CORS

Bucket → Permissions → Cross-Origin → Create rule:

• Origins: https://xiachuan.net, https://www.xiachuan.net
• Methods: GET, PUT, POST, DELETE, HEAD
• Headers: *; Expose: ETag; Max-Age: 86400

ShrimpSend settings

Test & FAQ

Use Test connection; verify cross-network upload. Browser uploads need public endpoint unless same VPC with internal domain.