https://docs.netmaker.org/quick-start.html#assumptions

sed -i "s/REPLACE_MQ_ADMIN_PASSWORD/$MQ_ADMIN_PASSWORD/g" /root/docker-compose.yml

should probs be changed to this for consistency

sed -i "s/REPLACE_MQ_ADMIN_PASSWORD/<MQ_ADMIN_PASSWORD>/g" docker-compose.yml

could cause issue if someones not reading what they are doing and has the docker compose in another location from /root/ or the otherway around to ensure everything is put into /root/