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File Upload Failures Persist Until NGINX_CLIENT_MAX_BODY_SIZE Is Adjusted Alongside .env Configuration #7895

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opened 2026-02-21 18:22:56 -05:00 by yindo · 3 comments
yindo commented 2026-02-21 18:22:56 -05:00
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Originally created by @kevintsai1202 on GitHub (Jan 25, 2025).

Originally assigned to: @crazywoola on GitHub.

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  • I have searched for existing issues search for existing issues, including closed ones.
  • I confirm that I am using English to submit report (我已阅读并同意 Language Policy).
  • [FOR CHINESE USERS] 请务必使用英文提交 Issue，否则会被关闭。谢谢！:）
  • Please do not modify this template :) and fill in all the required fields.

Provide a description of requested docs changes

After adjusting the file size limits in the .env file, uploads still failed with errors. The issue was resolved only after modifying the NGINX_CLIENT_MAX_BODY_SIZE configuration.

Recommendation:
The "Environment Variables Explanation" documentation should explicitly note that in addition to the following parameters affecting file upload limits:
UPLOAD_FILE_SIZE_LIMIT
UPLOAD_IMAGE_FILE_SIZE_LIMIT
UPLOAD_VIDEO_FILE_SIZE_LIMIT
UPLOAD_AUDIO_FILE_SIZE_LIMIT
WORKFLOW_FILE_UPLOAD_LIMIT

the NGINX_CLIENT_MAX_BODY_SIZE must also be adjusted accordingly. Failure to update this Nginx parameter may result in persistent upload errors, even if other limits are correctly configured.

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Originally created by @kevintsai1202 on GitHub (Jan 25, 2025). Originally assigned to: @crazywoola on GitHub. ### Self Checks - [x] I have searched for existing issues [search for existing issues](https://github.com/langgenius/dify/issues), including closed ones. - [x] I confirm that I am using English to submit report (我已阅读并同意 [Language Policy](https://github.com/langgenius/dify/issues/1542)). - [x] [FOR CHINESE USERS] 请务必使用英文提交 Issue，否则会被关闭。谢谢！:） - [x] Please do not modify this template :) and fill in all the required fields. ### Provide a description of requested docs changes After adjusting the file size limits in the .env file, uploads still failed with errors. The issue was resolved only after modifying the NGINX_CLIENT_MAX_BODY_SIZE configuration. Recommendation: The "Environment Variables Explanation" documentation should explicitly note that in addition to the following parameters affecting file upload limits: UPLOAD_FILE_SIZE_LIMIT UPLOAD_IMAGE_FILE_SIZE_LIMIT UPLOAD_VIDEO_FILE_SIZE_LIMIT UPLOAD_AUDIO_FILE_SIZE_LIMIT WORKFLOW_FILE_UPLOAD_LIMIT the NGINX_CLIENT_MAX_BODY_SIZE must also be adjusted accordingly. Failure to update this Nginx parameter may result in persistent upload errors, even if other limits are correctly configured. ![Image](https://github.com/user-attachments/assets/14717573-7316-44f1-b7c3-fc481afacb95) ![Image](https://github.com/user-attachments/assets/473dd793-e7bb-430c-9de7-3b84aa60e058) ![Image](https://github.com/user-attachments/assets/a9a39b50-e442-432b-b597-47a153f42315)
yindo added the 📚 documentation label 2026-02-21 18:22:56 -05:00
yindo closed this issue 2026-02-21 18:22:56 -05:00
yindo commented 2026-02-21 18:22:57 -05:00
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@dosubot[bot] commented on GitHub (Feb 26, 2025):

Hi, @kevintsai1202. I'm Dosu, and I'm helping the Dify team manage their backlog. I'm marking this issue as stale.

Issue Summary

  • File uploads were failing despite adjusting size limits in the .env file.
  • Resolution involved changing the NGINX_CLIENT_MAX_BODY_SIZE configuration.
  • You suggested updating the documentation to include this information.
  • No additional comments or activities have been made on this issue.

Next Steps

  • Is this issue still relevant to the latest version of the Dify repository? If so, please comment to keep the discussion open.
  • Otherwise, this issue will be automatically closed in 15 days.

Thank you for your understanding and contribution!

@dosubot[bot] commented on GitHub (Feb 26, 2025): Hi, @kevintsai1202. I'm [Dosu](https://dosu.dev), and I'm helping the Dify team manage their backlog. I'm marking this issue as stale. **Issue Summary** - File uploads were failing despite adjusting size limits in the .env file. - Resolution involved changing the NGINX_CLIENT_MAX_BODY_SIZE configuration. - You suggested updating the documentation to include this information. - No additional comments or activities have been made on this issue. **Next Steps** - Is this issue still relevant to the latest version of the Dify repository? If so, please comment to keep the discussion open. - Otherwise, this issue will be automatically closed in 15 days. Thank you for your understanding and contribution!
yindo commented 2026-02-21 18:22:57 -05:00
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@kevintsai1202 commented on GitHub (Feb 26, 2025):

This issue only hopes to update the documentation, so that others know that the NGINX_CLIENT_MAX_BODY_SIZE parameter also needs to be adjusted together to change the file upload limit

@kevintsai1202 commented on GitHub (Feb 26, 2025): This issue only hopes to update the documentation, so that others know that the NGINX_CLIENT_MAX_BODY_SIZE parameter also needs to be adjusted together to change the file upload limit
yindo commented 2026-02-21 18:22:57 -05:00
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@dosubot[bot] commented on GitHub (Feb 26, 2025):

Thank you for your response, @kevintsai1202! We appreciate your suggestion to update the documentation regarding the NGINX_CLIENT_MAX_BODY_SIZE parameter. We'll go ahead and close this issue, but your feedback will be taken into consideration for future updates.

@dosubot[bot] commented on GitHub (Feb 26, 2025): Thank you for your response, @kevintsai1202! We appreciate your suggestion to update the documentation regarding the NGINX_CLIENT_MAX_BODY_SIZE parameter. We'll go ahead and close this issue, but your feedback will be taken into consideration for future updates.
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Reference: langgenius/dify#7895
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