diff --git a/src/apps/personal/nice.nix b/src/apps/personal/nice.nix
index 591a800..5794df8 100644
--- a/src/apps/personal/nice.nix
+++ b/src/apps/personal/nice.nix
@@ -1,5 +1,5 @@
 { ... }: {
     home.shellAliases = builtins.listToAttrs (
-        builtins.genList (value: { name = "n${value - 19}"; value = "nice -n ${value - 19}"; }) 40
+        builtins.genList (value: { name = "n${toString (value - 19)}"; value = "nice -n ${toString (value - 19)}"; }) 40
     );
 }
diff --git a/src/nix/system/oss-labs.eu.nix b/src/nix/system/oss-labs.eu.nix
new file mode 100644
index 0000000..4bea371
--- /dev/null
+++ b/src/nix/system/oss-labs.eu.nix
@@ -0,0 +1,17 @@
+{ pkgs, ... }: {
+  containers.caddy = {
+    autoStart = false;
+    privateNetwork = true;
+    hostAddress = "192.168.100.10";
+    localAddress = "192.168.100.11";
+    config = import /home/minion/Code/nix/oss-labs.eu/hosts/caddy/default.nix;
+  };
+
+  containers.collabora = {
+    autoStart = false;
+    privateNetwork = true;
+    hostAddress = "192.168.100.10";
+    localAddress = "192.168.100.12";
+    config = import /home/minion/Code/nix/oss-labs.eu/hosts/collabora/default.nix;
+  };
+}