How to install shipyard on Mac OX?

I try to install the shipyard on Mac OX through Docker for Mac.
I run below command:
curl -s https://shipyard-project.com/deploy | bash -s

Then I got following error:
Error response from daemon: driver failed programming external connectivity on endpoint shipyard-proxy (bb4ff982ee84cab3a0b2e8edde513e965ee7096d646444eb191d03f0f20c9142): Bind for 0.0.0.0:2375 failed: port is already allocated.

But the port 2375 is not occupied.

Anyone one how to successfully deploy shipyard on MacOS?

Thanks & Best Regards,
Michael