curl --request GET \
  --url http://localhost:4100/readyz

const options = {method: 'GET'};

fetch('http://localhost:4100/readyz', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "status": "ready",
  "version": "<string>",
  "sourceCommit": "<string>"
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "correlationId": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  }
}