=== b0 3-① kcadm 로그인 ===
Logging into http://localhost:8080 as user admin of realm master
(exit=0)
=== ③ realm 과 클라이언트 ===
Created new realm with id 'keycloak-patterns'
Created new client with id '7ae3362a-2bed-4902-b6af-d7307ea4ad0b'
=== ④ realm 세 칸 ===
{
  "realm" : "keycloak-patterns",
  "accessTokenLifespan" : 60,
  "enabled" : true
}
=== 4. 사용자 ===
Created new user with id '07d3be2a-9f22-4779-a211-e530c8b7ff3b'
[ {
  "username" : "labuser",
  "enabled" : true
} ]