4.) Installing Portainer

- connect via ssh to your pi

- type in: sudo docker pull portainer/portainer-ce:linux-armce

- type in: sudo docker run --restart always -d -p 9000:9000 -v /var/run/docker.sock:/var/run/docker.sock -v /media/dockerdata/portainer:/data portainer/portainer-ce:linux-armce

- now we are able to connect to Portainer via WebBrowser from our other computer by typing in http://ip-adress-of-your-pi:9000