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83 lines
2.2 KiB
Markdown
83 lines
2.2 KiB
Markdown
---
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title: Configuring S3 Storage Service
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description: >-
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Learn how to configure S3 storage service to support multimodal AI sessions
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and image uploads.
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tags:
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- S3 Storage
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- Multimodal AI
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- Image Upload
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- File Storage
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---
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# Configuring S3 Storage Service
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LobeChat supports multimodal AI sessions, including the ability to upload unstructured data such as images and files to large language models. To optimize storage and performance, we use S3-compatible file storage services to store image files and support file upload/knowledge base functionality.
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## Core Environment Variables
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### `S3_ACCESS_KEY_ID`
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- Type: Required
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- Description: Access key ID for S3 storage service
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- Default: -
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- Example: `AKIAIOSFODNN7EXAMPLE`
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### `S3_SECRET_ACCESS_KEY`
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- Type: Required
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- Description: Secret access key for S3 storage service
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- Default: -
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- Example: `wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY`
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### `S3_ENDPOINT`
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- Type: Required
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- Description: Request endpoint for the bucket; for `virtual-host` mode, should not include the bucket name prefix
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- Default: -
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- Example: `https://cos.ap-chengdu.myqcloud.com`
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### `S3_BUCKET`
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- Type: Required
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- Description: Name of the storage bucket
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- Default: -
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- Example: `my-bucket`
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### `S3_REGION`
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- Type: Optional
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- Description: Region of the storage bucket
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- Default: -
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- Example: `ap-chengdu`
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### `S3_SET_ACL`
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- Type: Optional
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- Description: Whether to set ACL to `public-read` when uploading files
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- Default: `1`
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- Example: `0`
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### `S3_PUBLIC_DOMAIN`
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- Type: Required
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- Description: Public access domain for the bucket, used to access files in the bucket
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- Default: -
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- Example: `https://files.example.com`
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### `S3_ENABLE_PATH_STYLE`
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- Type: Optional
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- Description: Whether to enable S3 `path-style` access mode
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- Default: `0`
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- Example: `1`
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<Callout type={'info'}>
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`path-style` and `virtual-host` are different methods of accessing buckets and objects in S3, with differences in URL structure and domain name resolution.
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Assuming the S3 service provider's domain is s3.example.net, the bucket is mybucket, and the object is config.env, the specific differences are:
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- path-style: `s3.example.net/mybucket/config.env`
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- virtual-host: `mybucket.s3.example.net/config.env`
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</Callout>
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