S3 attachments storage for Obsidian

Chinese summary

使用兼容S3的云存储服务来存储和检索Obsidian笔记中的媒体附件（如图片、视频等）。

Key Use Cases

• Storing screenshots, images, and videos in notes without consuming local disk space
• Syncing media attachments across multiple devices via S3
• Using self-hosted or enterprise S3 storage for Obsidian attachments

Pros

• Reduces local storage usage
• Supports any S3-compatible service (AWS, MinIO, DigitalOcean Spaces, etc.)
• Enables cross-device access without Obsidian Sync

Limitations

• Requires an S3 account and bucket configuration
• Potential usage costs for cloud storage and data transfer
• Dependency on internet connectivity for attachment access

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