Anyone have any tips on how to make the transition from pets to cattle? I ask because we are a cloud deployed company (EC2) still largely doing things in an old

Anyone have any tips on how to make the transition from pets to cattle? I ask because we are a cloud deployed company (EC2) still largely doing things in an old-school "pets" based approach. I'm fully onboard for why the cattle approach is better. Getting there, on the other hand, is non-trivial.