diff --git a/.env b/.env
index 5673386..5623daf 100644
--- a/.env
+++ b/.env
@@ -1,2 +1,2 @@
 RACK_ENV=production
-PORT=3000
+PORT=80
diff --git a/Dockerfile b/Dockerfile
index c636c47..6b408aa 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -22,5 +22,5 @@ WORKDIR /var/app
 RUN git clone https://github.com/mcansky/sinatra_hello.git /var/app
 RUN cd /var/app; bundle install
 
-EXPOSE 3000
+EXPOSE 80
 CMD ["/usr/local/bin/foreman","start","-d","/var/app"]