Base the CI builder image on Ubuntu

plajjan · plajjan · commit 61ec49cf823a · 2017-05-30T14:35:43.000+02:00
Since Ubuntu comes with docker...
diff --git a/ci-builder-image/Dockerfile b/ci-builder-image/Dockerfile
@@ -1,4 +1,4 @@
-FROM debian:stable
+FROM ubuntu:yakkety
 
 RUN apt-get update \
  && apt-get install -y \
