Fix: Set Celery LOG_File only when available, always log to console

[fdb02983rhy]

Checklist:

Important

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• Please open an issue before creating a PR or link to an existing issue
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Description

Fix #10555
Regarding Celery, only set the LOG_FILE variable to Difyconfig when its available. Besides, always log output to the console.

Type of Change

• Bug fix (non-breaking change which fixes an issue)

Testing Instructions

Fix the code, rebuild worker image, run docker compose.

[yuzp-work]

Is this issue fixed? Trying to update from 0.10.1 to 0.11.1 in docker, looks still have this issue.

[verigle]

not fix for 0.11.1

[fdb02983rhy]

It happens after you update to 0.11.1, it should be fixed in the next release with this PR.

[crazywoola]

#10555 (comment)