Is your feature request related to a problem?
It's related to slow redeployments around interactive mode.

Which solution do you suggest?
When running devspace dev -i the entrypoint override could be something like this:

      interactive:
        images:
          - name: frontend
            entrypoint:
              - sh
            cmd:
              - -c
              - "trap 'exit 1' TERM; sleep 999999999 & wait"

Which alternative solutions exist?
Manually provide the interactive config I pasted in the previous section.

Additional context
Doing sleep 999999999 as the entrypoint takes a long time for the pod to terminate, because sleep doesn't handle SIGTERM - https://superuser.com/a/1299463/157978

As is I just wait 10+ seconds for the pod to terminate before the new one is launched:

$ kubectl get all
NAME                            READY   STATUS        RESTARTS   AGE
pod/frontend-6c99b95f86-lmhmj   1/1     Terminating   0          2m2s
...

I'm happy to take a whack at this myself if you want, just wasn't sure if it might a quick fix for someone more familiar with the code (assuming it's a change worth adding).

/kind feature