Dockerfile

FROM alpine:3 as duplicity
ARG version="0.8.18"
ARG git_sha=""
LABEL org.label-schema.schema-version="1.0" \
      org.label-schema.vendor="tmorin" \
      org.label-schema.license="MIT" \
      org.label-schema.vcs-ref="$git_sha" \
      org.label-schema.vcs-url="https://github.com/tmorin/docker-image-duplicity"
ENV PASSPHRASE="passphrase"
# install runtime dependencies
RUN apk add --no-cache bash python3 py3-boto gnupg ncftp py3-fasteners py3-future librsync \
    # install build dependencies
    && apk add --no-cache --virtual .build \
        build-base python3-dev py3-future py3-pip py3-setuptools librsync-dev gettext py3-setuptools_scm \
    # build duplicity
    && pip3 install --no-cache-dir \
        # install basic libraries
        https://launchpad.net/duplicity/$(echo ${version} | sed -r 's/^([0-9]+\.[0-9]+)([0-9\.]*)$/\1/')-series/${version}/+download/duplicity-${version}.tar.gz \
    # clean build stuff
    && apk del .build
COPY /rootfs /
WORKDIR /workdir
ENTRYPOINT [ "/entrypoint.sh" ]

FROM duplicity as docker
RUN apk add --no-cache docker

FROM duplicity as mariadb
RUN apk add --no-cache mariadb-client

FROM duplicity as mysql
RUN apk add --no-cache mysql-client

FROM duplicity as postgresql
RUN apk add --no-cache postgresql-client