Rockerfile

# This image is used to provide EXPORT/IMPORT functionality for builds
# Container being imported or exported is attached with --volumes-from
# from this container and uses /opt/rsync/bin/rsync-static binary to
# copy files.
FROM debian:jessie

RUN apt-get update && \
    apt-get install -y build-essential librsync-dev wget

ENV RSYNC_VERSION=3.1.1

RUN wget https://download.samba.org/pub/rsync/src/rsync-$RSYNC_VERSION.tar.gz

# We cannot build this image with Rocker's IMPORT/EXPORT functions
# because next image should have VOLUME /opt/rsync/bin
# but rocker uses the same volume when does rsync in IMPORT/EXPORT
# That's why we simply use current directory to for artifact exchange

RUN tar xvf rsync-$RSYNC_VERSION.tar.gz

WORKDIR /rsync-$RSYNC_VERSION
MOUNT .:/context

RUN ./configure --prefix=/usr --without-included-zlib && \
    make CFLAGS="-static" EXEEXT="-static" && \
    strip rsync-static && \
    cp rsync-static /context/rsync

#=============== RUN IMAGE ===============

FROM scratch

VOLUME ["/opt/rsync/bin"]
ADD rsync /opt/rsync/bin/

CMD ["/opt/rsync/bin/rsync"]

PUSH grammarly/rsync-static:1