diff --git a/Dockerfile b/Dockerfile
index d7263d3..681bcd7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,12 +1,11 @@
 FROM ubuntu:18.04
 
-RUN apt update -y
-RUN apt install python3-pip -y
+RUN apt update -y && apt install python3-pip -y
+
+EXPOSE 80
 
 ADD . /httpbin
 
 RUN pip3 install --no-cache-dir gunicorn /httpbin
 
-EXPOSE 80
-
 CMD ["gunicorn", "-b", "0.0.0.0:80", "httpbin:app", "-k", "gevent"]