added server cron handling in wordpress container

srcs/requirements/wordpress/conf/wp_entrypoint.sh

@@ -12,7 +12,6 @@ RESET="\e[0m"
 
 # it gets the ENV variables from .env because specified in the docker-compose.yml file
 
-
 # this is to make the wp_cron job works
 # ! it might not be a very strong solution
 #
@@ -77,7 +76,7 @@ else
 fi
 
 # installing plugins :
-echo -e ${YELLOW}installing plugins...${RESET}
+echo -e ${YELLOW}installing plugins..${RESET}
 plugins=$(ls ${WP_VOLUME_PLUGINS})
 echo $plugins
 for dir in $plugins; do
@@ -96,6 +95,20 @@ php wp-cli.phar config set WP_DEBUG_LOG true --raw --path=${WP_VOLUME_DIR}
 php wp-cli.phar config set WP_DEBUG_DISPLAY false --raw --path=${WP_VOLUME_DIR}
 
 
+# if you don't want to rely on wpcron :
+# - because it launches on each visit of the website
+# - so it can slow it
+# - instead creates a real cron job to call the wpcron file regularly
+# launch the server cron job, and disable wpcron
+# in the container, the crond deamon is started manually, so it is listed with :
+# - ps aux
+# - kill <PID> to remove it for example
+# -> https://stackoverflow.com/questions/37015624/how-to-run-a-cron-job-inside-a-docker-container
+php wp-cli.phar config set DISABLE_WP_CRON false --raw --path=${WP_VOLUME_DIR}
+echo "*	*	*	*	*	cd ${WP_VOLUME_DIR}; php ${WP_VOLUME_DIR}/wp-cron.php > /dev/null 2>&1" >> /etc/crontabs/root
+crond -f -l 2 >> /var/log/wpcron.log 2>&1 &
+
+