Issue with docker monitoring

I will try ,

Could you please help me with all steps which i need to follow to enable this docker monitoring

like how this file mk_docker.py get created (from where do i need to pick)
do i also need to create docker.cfg file manually if yes then what all i need to fill in

Note-: Docker plugin is supported by my checkmk server and we ar eusing checkmk 1.6 also basick os level monitoring is already working fine but need to enable monitoring for docker which is running on the host