From 95cbedd644ab1013db07ef6a98652ac8397c0af6 Mon Sep 17 00:00:00 2001
From: Simon Bruder <simon@sbruder.de>
Date: Fri, 14 Feb 2020 17:34:50 +0000
Subject: [PATCH] Add deb-multimedia repository in separate step

---
 Dockerfile | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index e974314..b469f04 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -3,7 +3,9 @@ FROM debian:testing
 RUN echo 'deb http://ftp-stud.hs-esslingen.de/pub/Mirrors/debian-multimedia/ testing main' > /etc/apt/sources.list.d/deb-multimedia.list \
     && apt-get update -oAcquire::AllowInsecureRepositories=true \
     && apt-get -y --allow-unauthenticated install deb-multimedia-keyring \
-    && apt-get update \
+    && rm -rf /var/lib/apt/lists
+
+RUN apt-get update \
     && apt-get -y install \
         autoconf \
         beignet-opencl-icd \