diff --git a/conf/systemd.service b/conf/systemd.service
index 301d80e..84dacfe 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -8,6 +8,7 @@ User=__APP__
 Group=__APP__
 Environment="PATH=__NODEJS_PATH__"
 Environment="PORT=__PORT__"
+Environment="DB_DIR=__FINALPATH__/db"
 WorkingDirectory=__FINALPATH__/
 ExecStart=/bin/sh -c '__FINALPATH__/node_modules/.bin/ts-node --project __FINALPATH__/tsconfig.json __FINALPATH__/bin/server.ts >> /var/log/__APP__/__APP__.log 2>&1'
 
diff --git a/scripts/install b/scripts/install
index 3bcce28..ae6dcbe 100644
--- a/scripts/install
+++ b/scripts/install
@@ -174,6 +174,12 @@ ynh_system_user_create "$app" "$final_path"
 mkdir -p "/var/log/$app"
 chown -R "$app":"$app" "/var/log/$app"
 
+#=================================================
+# CREATE DB FOLDER
+#=================================================
+
+mkdir -p "$final_path/db"
+
 #=================================================
 # MAKE SETUP
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 0ac8fc0..faa00c8 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -119,7 +119,15 @@ ynh_system_user_create "$app" "$final_path"
 #=================================================
 # SPECIFIC UPGRADE
 #=================================================
-# ...
+
+#=================================================
+# CREATE DB FOLDER
+#=================================================
+
+mkdir -p "$final_path/db"
+
+#=================================================
+# MAKE INSTALL
 #=================================================
 
 chown -R "$app":"$app" "$final_path"