How to install SatNOGS Client Ansible using Docker

can anyone help how to install SatNOGS Client Ansible using Docker. because in the usual way like https://wiki.satnogs.org/SatNOGS_Client_Ansible in the ansible-playbook -i production / inventory -K site.yml command there is an error:
“satnogs failed | msg: docker command not found in PATH”

Please help.
Thank you
Rian - YCABK