From 492d0851bbf6930211ca04c7c52660d607c2833e Mon Sep 17 00:00:00 2001
From: Olaf Meeuwissen <paddy-hack@member.fsf.org>
Date: Sat, 19 Aug 2017 15:08:04 +0900
Subject: [PATCH] Add a default CMD to the base image

---
 build.sh | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/build.sh b/build.sh
index ac5cb59..8cecf48 100755
--- a/build.sh
+++ b/build.sh
@@ -18,7 +18,19 @@ docker run --rm \
 IMAGE=$CI_REGISTRY_IMAGE
 STAMP=$(date +%F)
 
-tar -cC rootfs --exclude './dev/**' . | docker import - $IMAGE:$STAMP
+tar -caf rootfs.tar.gz \
+    --directory rootfs \
+    --exclude './dev/**' \
+    --numeric-owner \
+    --transform 's,^\./,,' .
+
+cat > Dockerfile <<EOF
+FROM scratch
+ADD rootfs.tar.gz /
+CMD ["bash"]
+EOF
+
+docker build -t $IMAGE:$STAMP .
 
 docker push $IMAGE:$STAMP
 docker tag  $IMAGE:$STAMP $IMAGE:jessie