Supponendo che abbiate già installato Docker, eseguite:
docker pull linuxserver/couchpotato

Poi create il container:
sudo docker create --name=couchpotato --restart=always -v /home/couchpotato/config:/config -v /home/couchpotato/downloads:/downloads -v /home/couchpotato/movies:/movies -e PGID=1001 -e PUID=1001 -e TZ=Europe/London -p 5050:5050 linuxserver/couchpotato
Fatelo partire:
docker start couchpotato
Ed andate da browser:
http://localhost:5050/wizard/