You don't. You can sort of emulate it with services that stateless, load-balanced, and L7 proxied. If you want stateful zero downtime deployments, use Elixir o

You don't. You can sort of emulate it with services that stateless, load-balanced, and L7 proxied. If you want stateful zero downtime deployments, use Elixir or Erlang that has the ability to live migrate data from one version of code to the next.