GBK encoding format is garbled

Created by: FengQingYangyan

Question description

The code in my GitLab uses GBK encoding, and when I synced to SourceGraph, my Chinese comments were garbled

Is your question related to a problem? If so, please describe or link to another issue.

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Additional context

My SourceGraph deployment type is Docker Single Container, version is 3.39.1

/cc @sourcegraph/search-core