It uses the embedPy images as a base, so it includes the runtimes etc. for kx on demand. The env file will allow you to automatically answer the licenses questions, so as long as you have validated your email address you should be fine. There are some changes to tick in that fork but can see the commits and readme for what’s been changed)
There is also a arm32 version here - https://github.com/peteclarkez/kdb-tick-rpi-docker
Both of these were for personal projects - so no warranty I’m afraid.
in order to use this with docker-compose, it should be relatively easy to convert the start commands to compose (although I haven’t tried, yet)