diff --git a/services/50-nextcloud/volume/prestart/prestart.sh b/services/50-nextcloud/volume/prestart/prestart.sh
new file mode 100755
index 0000000..22281d3
--- /dev/null
+++ b/services/50-nextcloud/volume/prestart/prestart.sh
@@ -0,0 +1,132 @@
+#!/bin/bash
+
+run_as() {
+    if [ "$(id -u)" = 0 ]; then
+        su -p www-data -s /bin/sh -c "$1"
+    else
+        sh -c "$1"
+    fi
+}
+
+echo
+echo "== INSTALLATION APP NEXTCLOUD ================================================"
+
+echo "== CONFIG"
+run_as 'php occ config:system:set trusted_domains 1 --value '${WEB_URL}
+run_as 'php occ config:system:set overwrite.cli.url --value '${NEXTCLOUD_URL}
+run_as 'php occ config:system:set overwritewebroot --value '${NEXTCLOUD_ALIAS}
+run_as 'php occ config:system:set htaccess.RewriteBase --value '${NEXTCLOUD_ALIAS}
+
+echo 
+echo "== CALENDAR"
+run_as 'php occ app:install calendar'
+run_as 'php occ app:update calendar'
+run_as 'php occ app:enable calendar'
+
+echo 
+echo "==GROUP FOLDERS"
+run_as 'php occ app:install groupfolders'
+run_as 'php occ app:update groupfolders'
+run_as 'php occ app:enable groupfolders'
+
+echo 
+echo "== DECK"
+run_as 'php occ app:install deck'
+run_as 'php occ app:update deck'
+run_as 'php occ app:enable deck'
+
+echo 
+echo "== DRAWIO"
+run_as 'php occ app:install drawio'
+run_as 'php occ app:update drawio'
+run_as 'php occ app:enable drawio'
+
+echo 
+echo "== TASKS"
+run_as 'php occ app:install tasks'
+run_as 'php occ app:update tasks'
+run_as 'php occ app:enable tasks'
+
+echo 
+echo "== FILES EXTERNAL"
+run_as 'php occ app:install files_external'
+run_as 'php occ app:update files_external'
+run_as 'php occ app:enable files_external'
+if [[ "${NEXTCLOUD_SAMBA}" == "1" ]]
+then
+run_as 'php  occ files_external:import /envole/mount.json -q'
+fi
+
+echo 
+echo "== FILES MINDMAP"
+run_as 'php occ app:install files_mindmap'
+run_as 'php occ app:update files_mindmap'
+run_as 'php occ app:enable files_mindmap'
+
+echo 
+echo "== USER CAS"
+if [[ "${MODE_AUTH}" == "CAS" && "${CAS_ACTIVATE}" == "1" ]]
+then
+    cp -rf /envole/app/user_cas /var/www/html/custom_apps
+    chown www-data:www-data /var/www/html/custom_apps -R
+    run_as 'php occ config:app:set user_cas cas_server_hostname --value='${CAS_HOST}' -q'
+    run_as 'php occ config:app:set user_cas cas_server_path --value='${CAS_PATH}' -q'
+    run_as 'php occ config:app:set user_cas cas_server_port --value='${CAS_PORT}' -q'
+    run_as 'php occ config:app:set user_cas cas_use_proxy --value=0 -q'
+    run_as 'php occ config:app:set user_cas cas_server_version --value=2.0 -q'
+    run_as 'php occ config:app:set user_cas cas_force_login --value=1 -q'
+    run_as 'php occ config:app:set user_cas cas_disable_logout --value=0 -q'
+    run_as 'php occ app:enable user_cas'
+else
+    run_as 'php occ app:disable user_cas'
+    rm -rf /var/www/html/custom_apps/user_cas
+fi
+
+echo 
+echo "== USER LDAP"
+if [[ "${LDAP_ACTIVATE}" == "1" ]]
+then
+    run_as 'php occ app:install user_ldap'
+    run_as 'php occ app:update user_ldap'
+    run_as 'php occ app:enable user_ldap'
+
+    run_as 'php occ config:app:set user_ldap bgjRefreshInterval --value=300 -q'
+    run_as 'php occ config:app:set user_ldap cleanUpJobChunkSize --value=300 -q'
+    run_as 'php occ config:app:set user_ldap background_sync_interval --value=300 -q'
+
+    run_as 'php occ ldap:show-config s01' > /tmp/nextcloud-ldap.txt
+    if grep -q "Invalid configID" /tmp/nextcloud-ldap.txt;then run_as 'php occ ldap:create-empty-config -q'; fi
+
+    run_as 'php occ ldap:set-config s01 ldapHost "${LDAP_HOST}"'
+    run_as 'php occ ldap:set-config s01 ldapPort "${LDAP_PORT}"'
+    run_as 'php occ ldap:set-config s01 ldapTLS "${LDAP_TLS}"'
+    run_as 'php occ ldap:set-config s01 ldapAgentName "${LDAP_USER}"'
+    run_as 'php occ ldap:set-config s01 ldapAgentPassword "${LDAP_PASSWORD}"'
+
+    run_as 'php occ ldap:set-config s01 ldapBase "${LDAP_BASEDN}"'
+    run_as 'php occ ldap:set-config s01 ldapBaseGroups "${LDAP_BASEGROUP}"'
+    run_as 'php occ ldap:set-config s01 ldapBaseUsers "${LDAP_BASEUSER}"'
+    run_as 'php occ ldap:set-config s01 ldapConfigurationActive "1"'
+    run_as 'php occ ldap:set-config s01 ldapExperiencedAdmin "0"'
+    run_as 'php occ ldap:set-config s01 ldapExpertUUIDUserAttr "${LDAP_USERNAME}"'
+
+    run_as 'php occ ldap:set-config s01 ldapLoginFilter "${LDAP_LOGIN_FILTER}"'
+    run_as 'php occ ldap:set-config s01 ldapUserFilter "${LDAP_USER_FILTER}"'
+    run_as 'php occ ldap:set-config s01 ldapGroupFilter "${LDAP_GROUP_FILTER}"'
+
+    run_as 'php occ ldap:set-config s01 ldapUserDisplayName "${LDAP_DISPLAYNAME}"'
+
+    run_as 'php occ ldap:set-config s01 ldapCacheTTL "300"'
+    run_as 'php occ ldap:set-config s01 ldapPagingSize "0"'
+
+#sudo -u www-data php /var/www/html/nextcloud/occ ldap:set-config s01 ldapGroupFilterObjectclass "${ldapGroupFilterObjectclass}"
+#sudo -u www-data php /var/www/html/nextcloud/occ ldap:set-config s01 ldapGroupMemberAssocAttr "${ldapGroupMemberAssocAttr}"
+#sudo -u www-data php /var/www/html/nextcloud/occ ldap:set-config s01 ldapUserFilterObjectclass "${ldapUserFilterObjectclass}"
+#sudo -u www-data php /var/www/html/nextcloud/occ ldap:set-config s01 ldapEmailAttribute "${ldapEmailAttribute}"
+
+else
+    run_as 'php occ app:disable user_ldap'
+fi
+
+echo
+echo
\ No newline at end of file