containers everywhere = New problemshow do we automate container lifecycle?how can we easily scale uot/in/up/down?re-created if failblue/green deploy?Swarm mode: built-in orchestrationswarm: 2016년에 나옴.server clustering solutionnot related to swarm classic for pre-1.12기본 개념Manager & Worker 개념Manager: Raft consensus group (role) - worker에 manager role이 부여된 것…new docker service 커맨드: 몇개를 run 할건지 등을 ..