diff --git a/Dockerfile.heroku b/Dockerfile.heroku
index f4cb980..1d81375 100644
--- a/Dockerfile.heroku
+++ b/Dockerfile.heroku
@@ -1 +1,3 @@
-FROM gitea/gitea:1.14.5-rootless
\ No newline at end of file
+FROM gitea/gitea:1.14.5-rootless
+
+EXPOSE 2222 $PORT
\ No newline at end of file