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

const options = {method: 'GET'};

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

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