Add support Hyperbola Milky Way v0.3

Dockerfile-Hyperbola-v03

@@ -0,0 +1,27 @@
+FROM scratch
+MAINTAINER Jesus E.
+
+# Set the $architecture ARG on your `docker build' command line with `--build-arg architecture=x86_64' or `i686'.
+ARG architecture
+
+ADD bootstrap.tar.gz /
+
+RUN \
+# First
+pacman-key --init \
+&& pacman-key --populate archlinux hyperbola \
+# Another bit of a hack, until Hyperbola bootstrap tarballs start including `sed' package, which is required by
+# `rankmirrors', which comes with `pacman' package, while that one doesn't depend on `sed'. (Note to self: ask the
+# Hyperbola devs about this; `locale-gen' uses `sed' too). Again, lucky it has very little deps.
+&& sed -i "s/^Architecture = auto$/Architecture = $architecture/" /etc/pacman.conf \
+# `locale-gen' needs `gzip' (via `localedef', which works on /usr/share/i18n/charmaps/*.gz), `paccache' needs `awk'.
+# Update the system BTW.
+&& pacman -Su --noconfirm --noprogressbar --quiet gzip awk \
+# Remove the last leftovers of the initial dirty `haveged' install.
+&& paccache -r -k0 \
+&& echo 'en_US.UTF-8 UTF-8' > /etc/locale.gen \
+&& locale-gen \
+&& echo 'LANG=en_US.UTF-8' > /etc/locale.conf \
+&& pacman -Scc --noconfirm
+
+ENV LANG en_US.UTF-8