correctd dns lookup

.gitlab-ci.yml

@@ -48,5 +48,6 @@ unit_test:
     paths:
       - var/
   script:
+    - apt-get install -y wget
     - mkdir var
     - wget webui:5000 -o var/index.html

src/webui/flaskr/zeo_db.py

@@ -1,10 +1,12 @@
 from ZEO.ClientStorage import ClientStorage
 from ZODB import DB
+import socket
 from flask import Flask
 
 
 app = Flask(__name__)
-storage = ClientStorage(("zeo", 8100))
+addr = socket.gethostbyname("zeo")
+storage = ClientStorage((addr, 8100))
 db = DB(storage)
 cx = db.open()