while curl is not working great on pipeline

Hello,

In my build, after building and testing, I deploy my application with a curl command to rundeck.
I want check when the application is done deploying with a command like :

#!bash

while ! curl --output /dev/null --silent --head --fail http://url/healthcheck; do echo "wait..."; sleep 2; done

But the command loop infinitely, the curl doesn't seem to work.
But it work when I run it in the docker container maven:3.3.3 on my computer.

Do you have any idea why it doesn't work?

Thank you very much in advance.

Adrien