With my new home network setup, my main pihole will run on docker, but my failover will be running on an old raspi that I have no other good use for. If the fir

With my new home network setup, my main pihole will run on docker, but my failover will be running on an old raspi that I have no other good use for. If the first goes down I'll know because my heimdall page won't load, and I'll set up some sort of ping check for the second just in case it goes down.