Grafstorm

@djmb Hi! If I understand correctly the first healthcheck step will be removed by this. (But the container/docker healthchecks will remain, /up endpoint or a cmd for non web-roles.) At...

Also, would this PR resolve the issue with not being able to deploy to a specific role on a host that doesn't have the primary role? As mentioned in this...

For additional context: This seems to be due to initial container healthcheck step which is performed with the primary role. ```bash kamal deploy -r secondary-role Ensure app can pass healthcheck......