Synology - Matrix - Synapse Admin
Download the Docker-Image awesometechnologies/synapse-admin
Create new Container:

Network: bridge
General Settings:
- Set Container name (i.e. MatrixSynapseAdmin)
- Enable auto-restart
Set the port i.e. 10010
Finish with "Run this container..."
- Go to http://[IP of your Synology]:[PORT i.e. 10010]
- Enter http://[IP of your Synology]:[PORT OF SYNAPSE i.e. 10001]
