Add keycloak related files

- add docker stack with network
- add glusterfs bricks
- add keycloak proxy config

Change-Id: If5b0b057c683e3e841352cd4c9e5ad059a93ff29
diff --git a/keycloak/proxy/application/devops_portal.yml b/keycloak/proxy/application/devops_portal.yml
new file mode 100644
index 0000000..bf09f69
--- /dev/null
+++ b/keycloak/proxy/application/devops_portal.yml
@@ -0,0 +1,13 @@
+parameters:
+  _param:
+    keycloak_proxy_devops_portal_base_path: "/"
+  keycloak:
+    proxy:
+      applications:
+        devops_portal:
+          base_path: "${_param:keycloak_proxy_devops_portal_base_path}"
+          adapter_config:
+            realm: "jaeger"
+            auth_server_url: "http://keycloak/auth"
+            resource: "proxy-jaeger"
+