avoid unnecessary nested content

reverse-proxy/docker-compose.macvlan.yml

@@ -0,0 +1,12 @@
+services:
+  traefik:
+    environment:
+      NASCOMPOSE_MACVLAN_SYNOLOGY_IP: ${NASCOMPOSE_MACVLAN_HOST_IP?}
+      NASCOMPOSE_MACVLAN_PORTAINER_IP: ${NASCOMPOSE_MACVLAN_PORTAINER_IP?}
+    networks:
+      macvlan:
+        ipv4_address: ${NASCOMPOSE_MACVLAN_TRAEFIK_IP?}
+
+networks:
+  macvlan:
+    external: true