diff --git a/.gitignore b/.gitignore
index 5b54b4b..6f4809a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,2 @@
 .env*
 
-memcached
-valkey
diff --git a/docker-compose.yml b/docker-compose.yml
index 9a298f7..c96c231 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -4,7 +4,16 @@ services:
     depends_on: [memcached, valkey]
     restart: always
     ports:
-      - 127.0.0.1:1337:80
+      - name: web-v6
+        target: 80
+        published: 80
+        host_ip: "[::]"
+        app_protocol: http
+      - name: web-v4
+        target: 80
+        published: 80
+        host_ip: "0.0.0.0"
+        app_protocol: http
     volumes:
       - ./pretix.cfg:/etc/pretix/pretix.cfg
       - /var/run/postgresql:/run/postgresql
diff --git a/pretix.cfg b/pretix.cfg
index 1533428..350dd5b 100644
--- a/pretix.cfg
+++ b/pretix.cfg
@@ -6,6 +6,7 @@ datadir=/data
 plugins_default=pretix.plugins.sendmail,pretix.plugins.statistics
 cookie_domain=.tickets.ctbk.de
 registration=Off
+trust_x_forwarded_for=on
 [locale]
 default=en
 timezone=UTC