> You can have two separate machines (whether VMs or bare-metal) plus a load-balancer in front and go blue/green deployments Congratulations, you've just added

> You can have two separate machines (whether VMs or bare-metal) plus a load-balancer in front and go blue/green deployments Congratulations, you've just added half a dozen moving parts that are untested and require constant maintenance. And you still don't get version-controlled rollbacks. What have you gained by not using Kubernetes? I see only losses. > You do not need a VPN if all your machines are on premises That assertion is simply wrong. You use a VPN to isolate your application's traffic.