diff --git a/app.py b/app.py
index bd847b4..e77b3be 100644
--- a/app.py
+++ b/app.py
@@ -44,4 +44,5 @@ def api_highlight():
 
 
 if __name__ == '__main__':
-    app.run()
+    port = int(os.environ.get("PORT", 5000))
+    app.run(host='0.0.0.0', port=port)