diff --git a/conf/.env b/conf/.env
index 3f4397d..8a55343 100644
--- a/conf/.env
+++ b/conf/.env
@@ -23,3 +23,5 @@ MAILER_AUTH_USER=__APP__
 MAILER_AUTH_PASSWORD=__MAIL_PWD__
 MAILER_NOREPLY_NAME=__APP__
 MAILER_NOREPLY_EMAIL=reply@__DOMAIN__
+
+STORAGE_DRIVER=Type=Filesystem; Path=__DATA_DIR__
diff --git a/manifest.toml b/manifest.toml
index 50d5ea3..7456fa2 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -55,6 +55,8 @@ ram.runtime = "280M"
 
     [resources.install_dir]
 
+    [resources.data_dir]
+
     [resources.permissions]
     main.url = "/"
     api.url = "/api"
diff --git a/scripts/backup b/scripts/backup
index 031dabc..15bda74 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -21,6 +21,12 @@ ynh_print_info --message="Declaring files to be backed up..."
 
 ynh_backup --src_path="$install_dir"
 
+#=================================================
+# BACKUP THE DATA DIR
+#=================================================
+
+ynh_backup --src_path="$data_dir" --is_big
+
 #=================================================
 # SYSTEM CONFIGURATION
 #=================================================
diff --git a/scripts/install b/scripts/install
index aea699d..b13ebad 100755
--- a/scripts/install
+++ b/scripts/install
@@ -69,9 +69,9 @@ ynh_script_progression --message="Building $app..." --weight=10
 
 pushd $install_dir/packages/server
  	ynh_use_nodejs
-	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH BUILD_SEQUENCIAL=1 yarn install --inline-builds
-	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn build
-	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH yarn cache clean
+	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH NODE_ENV=production BUILD_SEQUENCIAL=1 yarn install --inline-builds
+	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH NODE_ENV=production yarn build
+	ynh_exec_warn_less ynh_exec_as $app env $ynh_node_load_PATH NODE_ENV=production yarn cache clean
 	ynh_secure_remove .yarn/berry
 popd
 
diff --git a/scripts/restore b/scripts/restore
index c9b4674..49c4964 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -19,6 +19,15 @@ ynh_restore_file --origin_path="$install_dir"
 
 chown -R $app:www-data "$install_dir"
 
+#=================================================
+# RESTORE THE DATA DIRECTORY
+#=================================================
+ynh_script_progression --message="Restoring the data directory..." --weight=1
+
+ynh_restore_file --origin_path="$data_dir" --not_mandatory
+
+chown -R "$app:www-data" "$data_dir"
+
 #=================================================
 # RESTORE THE PostgreSQL DATABASE
 #=================================================