Works now. What i did was using this docker command :
docker run -d \
--name node-red \
--restart always \
--privileged=true \
--user=root \
-p 1880:1880 \
-v node_red_user_data:/data \
-v /dev/ttySTM1:/dev/serial \
wagoautomation/node-red-cc100:1.0.0