Works.
[18:23:11 INFO]: Done (5.213s)! For help, type "help" or "?"
container@pterodactyl~ Server marked as running...
For run u need have:
Java 8.
What do you need update?
ViaVersion (to 4.0.1)
Install via backwards and via rewind for others versions support.
If placeholders not works then delete the expansions folder and install one for one with the command /papi ecloud download {extensioname}