diff --git a/docker-compose.yml b/docker-compose.yml
index 69f7886..20296bf 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -5,6 +5,10 @@ name: jansen_20251030
 services:
   wordpress:
     image: custom-wordpress:6.8.3-php8.4-fpm-alpine
+    user: "0:0"
+    cap_add:
+      - NET_ADMIN
+    command: ["/usr/local/bin/start.sh"]
     build:
       context: docker_files/wordpress
     container_name: jansen_20251030-wordpress
@@ -20,8 +24,9 @@ services:
         define('WP_HOME', 'https://jansen.knusperkerne.de');
     volumes:
       - ./wordpress:/var/www/html
+      - ./docker_files/wordpress/start.sh:/usr/local/bin/start.sh:ro
     networks:
-      - wordpress-app
+      - 01_jansen_20251030-wordpress-app
       - wordpress-db
   webserver:
     depends_on:
@@ -35,10 +40,17 @@ services:
       - ./wordpress:/var/www/html
       - ./nginx-config:/etc/nginx/conf.d
     networks:
-      - wordpress-app
+      - 01_jansen_20251030-wordpress-app
+  redis:
+    image: redis:7-alpine
+    container_name: jansen_20251030-redis
+    restart: always
+    command: redis-server --save "" --appendonly no
+    networks:
+      - 01_jansen_20251030-wordpress-app
 
 networks:
-  wordpress-app:
-    driver: bridge
+  01_jansen_20251030-wordpress-app:
+      external: true
   wordpress-db:
       external: true
diff --git a/tools/inst_plugins b/tools/inst_plugins
new file mode 100755
index 0000000..4411e5b
--- /dev/null
+++ b/tools/inst_plugins
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+set -euo pipefail
+
+dc_wp() {
+    docker compose exec -u www-data wordpress wp $@
+}
+
+dc_wp plugin install redis-cache --activate
+dc_wp redis enable
+
+dc_wp plugin install wp-mail-smtp --activate
+
+echo "Done." >&2
diff --git a/tools/mk_network b/tools/mk_network
new file mode 100644
index 0000000..df72b4e
--- /dev/null
+++ b/tools/mk_network
@@ -0,0 +1 @@
+docker network create --driver bridge 01_jansen__20251030-wordpress-app