[circle] adding build script and on-the-fly imagebuild

script/build.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+set -o nounset
+set -o errexit
+
+
+docker build -t sabayon/builder-amd64 .
+docker run sabayon/builder-amd64 true || true
+docker export $( docker ps -aq | xargs echo | cut -d ' ' -f 1) | docker import - sabayon/builder-amd64-tmp
+
+
+mkdir -p ~/image
+mkdir -p ~/imagesquashed
+
+cat <<- EOF > /image/Dockerfile
+FROM sabayon/spinbase-amd64-tmp
+MAINTAINER mudler <mudler@sabayonlinux.org>
+# Define standard volumes
+VOLUME ["/usr/portage", "/usr/portage/distfiles", "/usr/portage/packages", "/var/lib/entropy/client/packages"]
+
+# Define default command.
+ENTRYPOINT ["/builder"]
+EOF
+cp -rfv /image/Dockerfile /imagesquashed
+
+docker build -t sabayon/builder-amd64 ~/image
+docker build -t sabayon/builder-amd64-squashed ~/imagesquashed