Basic setup of flexget, to get everything up and running. Remember if you use Docker, you can use the docker name specified in the compose file, instead of a IP.
tasks:
taska:
rss: http://showrss.karmorra.info/rss.php?user_id=USERID&hd=2&proper=0
all_series: yes
transmission:
host: localhost
port: 9091
username: USERNAME
password: PASSWORD
path: /home/xbian/TV/{{series_name}}/Season {{series_season}}
addpaused: no
Source here.