network_mode removed, ineffective

templates/docker-compose.yml.j2

@@ -27,6 +27,8 @@ services:
     environment:
       - POSTGRES_HOST=db
       - REDIS_HOST=redis
+    ports:
+      - 9000:9000
     env_file:
       - .db.env
     depends_on:
@@ -95,6 +97,4 @@ volumes:
 
 networks:
   podman:
-    network_mode: slirp4netns
   proxy-tier:
-    network_mode: slirp4netns

templates/web/nginx.conf.j2

@@ -41,7 +41,7 @@ http {
 #    resolver 127.0.0.11 valid=2s;
     upstream php-handler {
         zone backends 64k;
-        server app:9000; # resolve;
+        server localhost:9000 resolve;
     }
 
     server {