expose ports correctly

.gitignore

@@ -1,4 +1,2 @@
 .env*
 
-memcached
-valkey

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