From 95a97c349eefbe9a35398167e6584267fc3394ba Mon Sep 17 00:00:00 2001
From: Olaf Bergmann <bergmann@tzi.org>
Date: Mon, 16 Oct 2017 18:02:01 +0200
Subject: [PATCH] Dockerfile: use pre-built image and cleanup unused packets

---
 Dockerfile | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index a769ab97..41b7fc8a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,4 @@
-FROM debian:testing-slim
-
-RUN apt-get update && apt-get install -y autoconf automake gcc clang \
-  libtool libtool-bin make pkg-config libcunit1-dev libssl-dev \
-  exuberant-ctags
-RUN apt-get install -y graphviz doxygen libxml2-utils xsltproc
-RUN apt-get install -y docbook-xml docbook-xsl asciidoc-base
+FROM obgm/libcoap:build-env
 
 ENV libcoap_dir=/libcoap
 ADD . $libcoap_dir