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    Type:Sub-task 
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    Resolution: Done
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    Priority:L3 - Default 
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    Affects Version/s: None
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    Component/s: backend
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        Not defined
Optimize should expose an endpoint for use as a readiness check. Optimize should be considered "ready" if it can connect to at least one engine as well as being able to connect to Elasticsearch.
ATs:
- The path should be at /readyz
- 200 is returned if "ready", 5xx if not