Dockerfile for Debian with Heirloom Bourne Shell

Dockerfile.debian-heirloom-sh

FROM debian
RUN apt-get update && \
    apt-get -y install build-essential wget && \
    cd /tmp && \
    wget -O - http://heirloom.cvs.sourceforge.net/viewvc/heirloom/heirloom-sh/?view=tar | tar zxvf - && \
    cd heirloom-sh && \
    sed -e 's:^SV3BIN=/usr/5bin:SV3BIN=/usr/local/bin:' -e 's:^MANDIR=/usr/share/man/5man:MANDIR=/usr/share/local/man:' -e 's:^UCBINST=/usr/ucb/install:UCBINST=/usr/bin/install:' makefile > makefile.new && \
    mv makefile.new makefile && \
    make && \
    make install && \
    echo "/usr/local/bin/sh" >> /etc/shells && \
    apt-get -y remove build-essential wget && \
    apt-get -y autoremove && \
    rm -rf /tmp/heirloom-sh
ENTRYPOINT ["/usr/local/bin/sh"]