OpenSuse Tumbleweed: How to run a bash script on startup?

I'm trying to a run a .sh file on startup of a rPi3B+ running openSuse Tumbleweed JeOS. The script is really simple and looks like this: node /home/user_name/path/to/the/file.js here are two links I tried to follow: https://forums.opensuse.org/showthread.php/428743-How-to-run-script-at-startup https://www.suse.com/c/easy-running-scripts-boot-and-shutdown/ https://doc.opensuse.org/documentation/leap/startup/html/book.opensuse.startup/cha.adm.shell.html How how to go about this? Edit: I also just tried following along to this one without any luck either: https://stackoverflow.com/questions/12973777/how-to-run-a-shell-script-at-startup#12973826 My startServer script in /etc/init.d looks like this: #!/bin/sh # ScriptName=startServer node /home/user-name/server.js &