diff --git a/doc/docker/development/README.md b/doc/docker/development/README.md
index b526f95d17..405ef3dcf3 100644
--- a/doc/docker/development/README.md
+++ b/doc/docker/development/README.md
@@ -24,11 +24,12 @@ The container and docker-compose.yml file in this directory are the easiest way
 mkdir dev && cd dev
 wget https://raw.githubusercontent.com/EGroupware/egroupware/master/doc/docker/development/docker-compose.yml
 wget https://raw.githubusercontent.com/EGroupware/egroupware/master/doc/docker/development/nginx.conf
-mkdir -p sources data/default/files/sqlfs data/default/backup sessions
+mkdir -p sources data/default/files/sqlfs data/default/backup data/default/loolwsd sessions
 # on a Linux host NOT using Docker desktop data and sessions directories MUST be owned by www-data:www-data (33:33, if not Debian/Ubuntu!)
 chown -R www-data:www-data data sessions
+chmod 777 data/default/loolwsd
 # edit docker-compose.yml to fit your needs eg.
-# ports to use for Nginx / the webserver, by default 8080 and 4443
+# ports to use for Nginx / the webserver, by default 80 and 443
 # xdebug port, default 9001 (NOT 9000!)
 # IDE host, default XDEBUG_REMOTE_HOST=docker.for.mac.localhost
 docker-compose up -d egroupware
@@ -80,4 +81,4 @@ Stopping eg. FPM to access IDE/PHPStorm debug port or a MariaDB running on the h
 To fix that, you have to create an explicit firewall rule to allow containers to acces 172.17.0.1:
 ```bash
 sudo ufw allow from 172.16.0.1/12 to 172.17.0.1/32 port 9001,3306
-```
+```
\ No newline at end of file
diff --git a/doc/docker/development/build.sh b/doc/docker/development/build.sh
index 302a74a35c..6e2dd78bc4 100755
--- a/doc/docker/development/build.sh
+++ b/doc/docker/development/build.sh
@@ -3,7 +3,7 @@
 REPO=egroupware
 IMAGE=development
 BASE=node:20-bookworm-slim
-RECOMMENDED_PHP_VERSION=8.2
+RECOMMENDED_PHP_VERSION=8.3
 
 PHP_VERSION=${1:-$RECOMMENDED_PHP_VERSION}