Use JSON format for Workhorse logs

Sean McGivernrequested to merge
use-json-format-for-workhorse-logs-by-default into master

What does this Merge Request do?

We've enabled JSON logs for Gitaly (!1574 (merged)) and Sidekiq (!1198 (merged)), but not Workhorse.

Merge Request checklist

  • Tests added for new functionality. If not, please raise Issue to follow-up.
  • This change is backward compatible. If not, please include steps to communicate to our users.
  • Documentation added/updated, if needed.

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