improve stack detection

stack/nginx/nginx.yml

@@ -45,11 +45,3 @@ volumes:
       type: none
       device: ${MONOREPO_DIR}
       o: bind
-
-networks:
-  private:
-    external: true
-    name: ${DOCKER_NETWORK_PRIVATE:-docker}
-  public:
-    external: true
-    name: ${DOCKER_NETWORK_PUBLIC:-localhost}

stack/nginx/static.yml

@@ -19,11 +19,3 @@ services:
 
 volumes:
   static:
-
-networks:
-  private:
-    external: true
-    name: ${DOCKER_NETWORK_PRIVATE:-docker}
-  public:
-    external: true
-    name: ${DOCKER_NETWORK_PUBLIC:-static.localhost}