[Unit]
Description=Reverse SSH connection
After=network.target

[Service]
Type=simple
User=pi

ExecStart=/usr/bin/ssh -NTg -o ServerAliveInterval=60 -o ExitOnForwardFailure=yes -o ServerAliveCountMax=3 -o StrictHostKeyChecking=no -i /home/pi/.ssh/id_rsa -R {{ ssh_port }}:localhost:22 tanshu@beacon.tanshu.com

# Restart every >2 seconds to avoid StartLimitInterval failure
Restart=always
RestartSec=5s

[Install]
WantedBy=default.target