use port from env

1 files changed, 1 insertions, 1 deletions

diff --git a/index.js b/index.js
index 98dd889..f769296 100644
--- a/index.js
+++ b/index.js
@@ -110,5 +110,5 @@ const responseHeadersToRemove = ["Accept-Ranges", "Content-Length", "Keep-Alive"
             ctx.body = "Please specify the URL in the 'url' query string.";
         }
     });
-    app.listen(3000);
+    app.listen(process.env.PORT || 3000);
 })();