github.com/torfuzx/docker@v1.8.1/contrib/init/systemd/docker.socket (about)

     1  [Unit]
     2  Description=Docker Socket for the API
     3  PartOf=docker.service
     4  
     5  [Socket]
     6  ListenStream=/var/run/docker.sock
     7  SocketMode=0660
     8  SocketUser=root
     9  SocketGroup=docker
    10  
    11  [Install]
    12  WantedBy=sockets.target