fix: Nextcloud init script

images/nextcloud/docker-entrypoint.sh

 sleep 60 # to avoid hitting it while the first start for setting root pwd
 R=111
 while [ $R -eq 111 ]; do
-    mysql --skip-ssl -u root -p${MARIADB_ROOT_PASSWORD} -h ${DB_HOST} -e "SHOW DATABASES"  2> /dev/null;
+    mysql --skip-ssl -u root -p${MARIADB_ROOT_PASSWORD} -h ${DB_HOST} -e "SHOW DATABASES"  1>/dev/null 2>&1;
     R=$?;
 done
 
 cd /var/www/nextcloud
 # https://github.com/nextcloud/server/pull/18130#issuecomment-604518403
 sudo -u www-data rm -Rf /srv/nextcloud/data/admin
-sudo -u www-data php occ maintenance:install --database "mysql" --database-host ${DB_HOST} --database-name ${NEXTCLOUD_DB_NAME}  --database-user ${NEXTCLOUD_DB_USER} --database-pass ${NEXTCLOUD_DB_PWD} --admin-user "admin" --admin-pass ${NEXTCLOUD_ADMIN_PWD} --data-dir ${NEXTCLOUD_DATA_PATH} | echo "maintenance:install gone!"
+sudo -u www-data php occ maintenance:install --database "mysql" --database-host ${DB_HOST} --database-name ${NEXTCLOUD_DB_NAME}  --database-user ${NEXTCLOUD_DB_USER} --database-pass ${NEXTCLOUD_DB_PWD} --admin-user "admin" --admin-pass ${NEXTCLOUD_ADMIN_PWD} --data-dir ${NEXTCLOUD_DATA_PATH}
 check_result $? "Initializing Config"
 # Password salt and secret are used by Passman and must remain the same after
 # restarting of the instance, otherwise vaults would become inaccessible