https://github.com/evertonstz/wolf-eepy/blob/6add8b1b8ae8b4fda97767a33c19e5dc73e673c8/Dockerfile#L5-L7 If systemd was really needed it should already be contained in the base image otherwise its just taking up space in the docker image.
wolf-eepy/Dockerfile
Lines 5 to 7 in 6add8b1
If systemd was really needed it should already be contained in the base image otherwise its just taking up space in the docker image.