add listen to ipv6 on port 80

config/conf.d/bbb-feedback.conf

 log_format postdata '$remote_addr [$time_iso8601] $request_body';
 server {
     listen       80;
+    listen       [::]:80;
     server_name  localhost;
 
     location / {

docker-compose.yml

@@ -4,8 +4,9 @@ services:
     image: omi-registry.e-technik.uni-ulm.de/kiz/bbb/apps/bbb-nginx
     stdin_open: true
     tty: true
+    network_mode: host
     volumes:
-    - feedback:/var/log/nginx/ #/var/lib/docker/bbb-logs/:/var/log/nginx
+    - /var/lib/docker/bbb-logs/:/var/log/nginx
     volumes_from:
     - feedback-config:ro
     labels: