Hey, I'm the author of the stack overflow answer. You can absolutely do it and it's pretty cool! Just keep in mind that you lose the advantages of a 3 node setu

Hey, I'm the author of the stack overflow answer. You can absolutely do it and it's pretty cool! Just keep in mind that you lose the advantages of a 3 node setup: data replication across nodes, failure tolerance, new leader election. That's why it's discouraged for production environments where things are meant to be up 24/24h