Source: https://github.com/boschkundendienst/guacamole-docker-compose
Video that helped me first time through: https://www.youtube.com/watch?v=GX53C80c05k

To install:
1. `cd /srv/docker`
2. `sudo git clone "https://github.com/boschkundendienst/guacamole-docker-compose.git"`
3. `sudo mv guacamole-docker-compose /srv/docker/guacamole`
4. `cd guacamole`
5. `sudo ./prepare.sh`
6. If using portainer then paste and modify the compose.yml into a stack
7. First sign in will be IP:8095/guacamole
8. Creds guacadmin for both user and password
9. PLEASE change/delete said default user