* script to build a base Debian Wheezy docker image

docker/scripts/build-wheezy.sh

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+#!/bin/bash
+## @author gdm85
+## original article: http://learndocker.com/how-to-build-a-debian-wheezy-base-container/
+##
+## build a base Debian Wheezy
+#
+
+## the distro we are going to use
+DISTNAME=wheezy
+DEBIAN_REPO=http://ftp.debian.org/debian
+
+if [ ! $UID -eq 0 ]; then
+	echo "This script can only be run as root" 1>&2
+	exit
+fi
+
+## install prerequisites
+## NOTE: may fail on non-Ubuntu/Debian systems
+if ! type -P debootstrap; then
+        apt-get install debootstrap -y || exit $?
+fi
+
+## NOTE: a temporary directory under /tmp is not used because can't be mounted dev/exec
+mkdir $DISTNAME || exit $?
+TMPDIR=$PWD/$DISTNAME
+
+debootstrap $DISTNAME $DISTNAME $DEBIAN_REPO && \
+cd $DISTNAME && \
+tar -c . | docker import - $DISTNAME
+RV=$?
+
+# always perform cleanup
+rm -rf $TMPDIR
+
+exit $RV