PGadmin in docker

adduser pgadmin
usermod -aG docker pgadmin
mkdir -p  /opt/pgadmin
chown pgadmin:pgadmin /opt/pgadmin
[Unit]
Description=pgadmin
After=docker.service
Requires=docker.service

[Service]
Type=simple
User=pgadmin
Group=pgadmin
TimeoutStartSec=0
Restart=on-failure
RestartSec=30s
ExecStartPre=-/usr/bin/docker kill pgadmin
ExecStartPre=-/usr/bin/docker rm pgadmin
ExecStartPre=/usr/bin/docker pull dpage/pgadmin4
ExecStart=/usr/bin/docker run  --name pgadmin \
--publish 80:80 \
--volume /opt/pgadmin4/servers.json:/pgadmin4/servers.json \
-e 'PGADMIN_DEFAULT_EMAIL=admin@admin.com' \
-e 'PGADMIN_DEFAULT_PASSWORD=KtfcT3tpE' \
dpage/pgadmin4
SyslogIdentifier=pgadmin4
ExecStop=/usr/bin/docker stop pgadmin

[Install]
WantedBy=multi-user.target