Update

spec/services.yaml

@@ -42,7 +42,7 @@ services:
   - name: Mastodon
     host: social.gwei.cz
     repo: mastodon/mastodon
-    server: frontier
+    server: homestead
     monitor: 3
     version_conf:
       from:
@@ -229,7 +229,7 @@ services:
 
   - name: Pretalx
     host: pretalx.utxo.cz
-    server: frontier
+    server: homestead
     repo: pretalx/pretalx
     monitor: 12
     version_conf: