Update app.sh

Use nginx for web interface

app.sh

@@ -13,9 +13,24 @@ cat > /tmp/munin-web/index.html <<EOF
 </html>
 EOF
 
+cat > /tmp/nginx.conf <<EOF
+events {}
+
+http {
+    server {
+        listen 80;
+        root /tmp/munin-web;
+
+        location / {
+            index index.html;
+        }
+    }
+}
+EOF
+
 echo "Starting web interface..."
 
-busybox httpd -f -p 80 -h /tmp/munin-web &
+nginx -g "daemon off;" -c /tmp/nginx.conf &
 
 while true
 do