Manage Keycloak realm

Change-Id: Ifc27ca5788a52205a247e0811dbd1f9ece1d080f
diff --git a/docker/swarm/stack/keycloak.yml b/docker/swarm/stack/keycloak.yml
index c712fda..e613637 100644
--- a/docker/swarm/stack/keycloak.yml
+++ b/docker/swarm/stack/keycloak.yml
@@ -2,7 +2,7 @@
   _param:
     docker_keycloak_server_replicas: 1
     docker_keycloak_proxy_replicas: 1
-    docker_image_keycloak_server: jboss/keycloak:3.4.2.Final
+    docker_image_keycloak_server: jboss/keycloak:4.5.0.Final
     docker_image_keycloak_proxy: jboss/keycloak-proxy:3.4.2.Final
     keycloak_bind_port: ${_param:haproxy_keycloak_bind_port}
     keycloak_proxy_bind_port: ${_param:haproxy_keycloak_proxy_bind_port}
@@ -16,6 +16,7 @@
           environment:
             KEYCLOAK_USER: ${_param:keycloak_admin_username}
             KEYCLOAK_PASSWORD: ${_param:keycloak_admin_password}
+            KEYCLOAK_IMPORT: "/app/realms.json"
           service:
             keycloak-server:
               image: ${_param:docker_image_keycloak_server}