Keycloak no ssl 처리.

        return KeycloakBuilder.builder()
                .serverUrl(coreContext.getKeyCloakUri())
                .realm("master")
                .clientId("admin-cli")
                .resteasyClient(new ResteasyClientBuilderImpl().disableTrustManager().hostnameVerification(ResteasyClientBuilder.HostnameVerificationPolicy.ANY).build())
                .username("$admin")
                .password("$adminpw")
                .grantType(OAuth2Constants.PASSWORD)
                .build();