diff --git a/conf/frp/frpc.ini b/conf/frp/frpc.ini
index 31c1289..ac1325a 100644
--- a/conf/frp/frpc.ini
+++ b/conf/frp/frpc.ini
@@ -32,4 +32,10 @@ subdomain  = registry
 type = http
 local_ip = 127.0.0.1
 local_port = 19999
-subdomain  = netdata
\ No newline at end of file
+subdomain  = netdata
+
+[cas]
+type = http
+local_ip = 127.0.0.1
+local_port = 9880
+subdomain  = cas
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
index 2f48f6b..5e1f219 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -7,11 +7,17 @@ networks:
             config:
                 - subnet: 172.172.0.0/24
 services:
+    cas:
+        image: apereo/cas:6.3.5
+        restart: always
+        ports:
+            - 9880:8080
+        command: ["/bin/sh", "/cas-overlay/bin/run-cas.sh"]
     frp:
         image: snowdreamtech/frpc:0.37.0
         restart: always
         network_mode: host
-        volumes: 
+        volumes:
             - ./conf/frp/frpc.ini:/etc/frp/frpc.ini
     rsync:
         image: instrumentisto/rsync-ssh:alpine3.13