[Unit]
Description=docker private registry service
After=docker.service

[Service]
ExecStartPre=-/usr/bin/docker kill registry
ExecStartPre=-/usr/bin/docker rm registry
ExecStart=/usr/bin/docker run --name registry -v /mirror/registry:/tmp/ -p 5000:5000 \
                          -e "STANDALONE=true" \
                          -e "MIRROR_SOURCE=https://registry-1.docker.io" \
                          -e "MIRROR_SOURCE_INDEX=https://index.docker.io" \
                          -e "SETTINGS_FLAVOR=local" \
                          registry
ExecStop=-/usr/bin/docker stop registry
Restart=always
RestartSec=10s

[Install]
WantedBy=multi-user.target