Revert "fix : resolve Docker port conflicts and fix var/ permissions on install"

This reverts commit 123d9b306f.

infra/dev/.env.docker

@@ -5,6 +5,6 @@ APP_USER=www-data
 POSTGRES_DB=central
 POSTGRES_USER=root
 POSTGRES_PASSWORD=root
-POSTGRES_PORT=5437
+POSTGRES_PORT=5436
 XDEBUG_CLIENT_HOST=host.docker.internal
 HOST_APPS_PATH=/home/user/workspace

infra/dev/Dockerfile

@@ -81,7 +81,7 @@ RUN mkdir -p /var/www/.composer/cache/vcs \
 ENV COMPOSER_HOME=/var/www/.composer
 
 # Création de la structure du projet
-RUN mkdir -p /var/www/html/LOG /var/www/html/var/cache /var/www/html/var/log
+RUN mkdir /var/www/html/LOG
 
 ###> User ###
 ARG CURRENT_UID