[ENHANCEMENT] Startup probes for dependency boot order

[jessesimpson36]

Describe the use case:

Create startup probes such that pods that have dependencies on other pods do not start / crashloop before the dependency is ready. This will be helpful for customers who do not have an intuitive sense of which pods to debug first / last.

We can accomplish this with startup probes by pinging other kubernetes services . The startup probe of Optimize could ping the elasticsearch svc.

Describe the enhancement/feature:

Desired outcome and acceptance tests:

[aabouzaid]

That's a pretty good idea, we will back to it once we finish the other open topics.