feat: allow cleanup via REMOVE_DOWNLOAD env

src/server.js

@@ -89,6 +89,19 @@ module.exports = async function server(req, res) {
         sent = true;
       });
     }
+
     sent = true;
+
+    // clean up the download if told to
+    res.on('finish', () => {
+      const { REMOVE_DOWNLOAD } = process.env;
+      if (!REMOVE_DOWNLOAD) return;
+
+      const shouldRemove = REMOVE_DOWNLOAD === '1' || REMOVE_DOWNLOAD.toLowerCase() === 'true';
+      if (shouldRemove) {
+        logger.info('Removing local file:', dlFilepath);
+        fs.unlinkSync(dlFilepath);
+      }
+    });
   });
 };