diff --git a/nixos/Caddyfile b/nixos/Caddyfile
new file mode 100644
index 0000000..6ec74d3
--- /dev/null
+++ b/nixos/Caddyfile
@@ -0,0 +1,3 @@
+mainframe.philippeterson.com:9482 {
+    respond "Hello, world!"
+}