diff -r ea0e8417e4dc -r 82a3db4b1d39 build/pre_upgrade.sh
--- a/build/pre_upgrade.sh	Fri Oct 21 14:45:47 2016 +0200
+++ b/build/pre_upgrade.sh	Fri Oct 21 16:07:19 2016 +0200
@@ -1,6 +1,16 @@
 #!/usr/bin/env sh
 PATH=/opt/remi/php56/root/usr/bin/:$PATH
 
+if [ -d /var/www/corpusdelaparole/corpus-back/ ]; then
+    pushd /var/www/corpusdelaparole/corpus-back/ > /dev/null
+
+    echo "Put back application in maintenance"
+    php artisan down
+
+    popd > /dev/null
+fi
+
+
 if [ -x /usr/local/bin/drush ]; then
     echo "Deactivate corpus module"
     /usr/local/bin/drush -r /var/www/corpusdelaparole/drupal pm-disable -y corpus