diff --git a/Dockerfile b/Dockerfile
index f4a4963..c6072c4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -5,4 +5,4 @@ COPY . ${WORKDIR}
 RUN mkdir -p /app/
 COPY postdeploy.sh /app/
 
-EXPOSE 80:3000
+EXPOSE 80 3000