Atlantis responds to its own comments during server shutdown

[tom-mckay]

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Overview of the Issue

Atlantis appears to respond to its own GitHub PR comment when the server process is shutting down.

(Transcribing for searchability)
Atlantis server is shutting down, please try again later.

Error: unknown command "server".

I would not expect Atlantis to respond to a comment posted by Atlantis.

Reproduction Steps

Run an Atlantis command via a GitHub PR after Atlantis has been signaled to shutdown (e.g. SIGTERM) but before the shutdown is complete.

Logs

N/A - I don't have these at the moment.

Environment details

• Atlantis version: 0.28.5
• Deployment method: EKS via Helm

Additional Context