dev-workflow: setup url correctly

Author: Mic92

packages/master.cfg.py

@@ -9,6 +9,7 @@
 
 STATE_DIR = Path(".")
 PORT = 8012
+url = f"http://localhost:{PORT}"
 
 buildbot_nix_config = BuildbotNixConfig(
     db_url="sqlite:///state.sqlite",
@@ -27,13 +28,14 @@
     eval_worker_count=4,
     local_workers=4,
     domain="localhost",
-    webhook_base_url=f"http://localhost:{PORT}",
-    url=f"http://localhost:{PORT}",
+    webhook_base_url=url,
+    url=url,
 )
 
 c = BuildmasterConfig = dict(
     title="Hello World CI",
     titleURL="https://buildbot.github.io/hello-world/",
+    buildbotURL=url,
     configurators=[
         NixConfigurator(buildbot_nix_config),
     ],