Enable Debug Logging In Rathole Service

[ghost]

How would I setup the ratholes@.service to automatically enable debug Logging when checking service status with systemctl status ratholes.example.

[Unit]
Description=Rathole Server Service
After=network.target

[Service]
Type=simple
DynamicUser=yes
Restart=on-failure
RestartSec=5s
ExecStart=/usr/bin/rathole -s /etc/rathole/%i.toml
LimitNOFILE=1048576

[Install]
WantedBy=multi-user.target