ci(docker): add docker compose and Caddyfile copy on server for safety

Caddyfile

@@ -0,0 +1,11 @@
+:80 {
+    root * /usr/share/caddy
+    file_server
+
+    # No cache, always update
+    header {
+        Cache-Control "no-cache, no-store, must-revalidate"
+        Pragma "no-cache"
+        Expires "0"
+    }
+}