Serve uploads from UPLOAD_FOLDER so it can live on a mounted volume

app/__init__.py

@@ -73,6 +73,17 @@ def create_app(config_name='default'):
     # Create backup directory
     os.makedirs(app.config['BACKUP_FOLDER'], exist_ok=True)
 
+    # Serve uploads from UPLOAD_FOLDER wherever it lives.
+    # Stored paths are rendered as /static/uploads/<path>, which only works
+    # by accident when UPLOAD_FOLDER sits inside app/static. This explicit
+    # route takes precedence over Flask's static handler and keeps those
+    # URLs valid when the folder is a mounted volume (e.g. /data/uploads).
+    from flask import send_from_directory
+
+    @app.route('/static/uploads/<path:filename>')
+    def uploaded_file(filename):
+        return send_from_directory(app.config['UPLOAD_FOLDER'], filename)
+
     # Register CLI commands (flask backup create/list/verify/restore)
     from app.cli import register_cli
     register_cli(app)