From d4d2fb19df5fab85561d3ed3b1293ad88dce2f4b Mon Sep 17 00:00:00 2001
From: Andrew Gaul <andrew@gaul.org>
Date: Sat, 9 Sep 2017 13:15:35 -0700
Subject: [PATCH] Reduce Docker layers and optimize apt usage

---
 Dockerfile | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 8c43337..fe5fd36 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,12 +1,14 @@
 FROM ubuntu:16.04
 MAINTAINER Barna Csorogi <barnacs@justletit.be>
 
-RUN DEBIAN_FRONTEND=noninteractive apt-get update
-RUN DEBIAN_FRONTEND=noninteractive apt-get upgrade -y
-RUN DEBIAN_FRONTEND=noninteractive apt-get install -y \
-    libjpeg8 \
-    openssl \
-    ssl-cert
+RUN DEBIAN_FRONTEND=noninteractive apt-get update && \
+    DEBIAN_FRONTEND=noninteractive apt-get upgrade -y && \
+    DEBIAN_FRONTEND=noninteractive apt-get install -y \
+        libjpeg8 \
+        openssl \
+        ssl-cert && \
+    DEBIAN_FRONTEND=noninteractive apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
 
 WORKDIR /opt/compy
 COPY \