More advanced/modern tool chains like k8s can help; rollout can be done in minutes. Also makes it easier to do blue/green deploys if you’re serving high through

More advanced/modern tool chains like k8s can help; rollout can be done in minutes. Also makes it easier to do blue/green deploys if you’re serving high throughput services where you can get an error signal from upgrading a small fraction of your service workloads.