diff --git a/Dockerfile b/Dockerfile
index 29a7bfaf1..dbbcdd52c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,5 @@
 FROM scratch
 COPY script/ca-certificates.crt /etc/ssl/certs/
 COPY dist/traefik /
+EXPOSE 80
 ENTRYPOINT ["/traefik"]