Docker run command repository issues

Hi, I am trying to run below commands it showing as

docker run --privileged -v NAP_db:/opt/karaf/data/db -v NAP_yang:/opt/karaf/data/yang -v NAP_log:/opt/karaf/data/log -v /etc/localtime:/etc/localtime:ro-e DEPLOYMENT_TYPE=NAP–network host -d --init --name nap --hostname nap-container – centos start

docker: invalid reference format: repository name must be lowercase.

Please assist the issue. I have tried all possibilities.