Dockerfile

FROM python:2-alpine AS latest

ARG DUPLICITY_VERSION=0.8.04

ENV CRONTAB_15MIN='*/15 * * * *' \
    CRONTAB_HOURLY='0 * * * *' \
    CRONTAB_DAILY='0 2 * * MON-SAT' \
    CRONTAB_WEEKLY='0 1 * * SUN' \
    CRONTAB_MONTHLY='0 5 1 * *' \
    DST='' \
    EMAIL_FROM='' \
    EMAIL_SUBJECT='Backup report: {hostname} - {periodicity} - {result}' \
    EMAIL_TO='' \
    JOB_300_WHAT='backup' \
    JOB_300_WHEN='daily' \
    OPTIONS='' \
    OPTIONS_EXTRA='--metadata-sync-mode partial' \
    SMTP_HOST='smtp' \
    SMTP_PASS='' \
    SMTP_PORT='25' \
    SMTP_TLS='' \
    SMTP_USER='' \
    SRC='/mnt/backup/src'

ENTRYPOINT [ "/usr/local/bin/entrypoint" ]
CMD ["/usr/sbin/crond", "-fd8"]

# Link the job runner in all periodicities available
RUN ln -s /usr/local/bin/jobrunner /etc/periodic/15min/jobrunner
RUN ln -s /usr/local/bin/jobrunner /etc/periodic/hourly/jobrunner
RUN ln -s /usr/local/bin/jobrunner /etc/periodic/daily/jobrunner
RUN ln -s /usr/local/bin/jobrunner /etc/periodic/weekly/jobrunner
RUN ln -s /usr/local/bin/jobrunner /etc/periodic/monthly/jobrunner

# Runtime dependencies and database clients
RUN apk add --no-cache \
        ca-certificates \
        dbus \
        gnupg \
        krb5-libs \
        lftp \
        libffi \
        librsync \
        ncftp \
        openssh \
        openssl \
        rsync \
        py2-gobject3 \
        tzdata \
    && sync

# Default backup source directory
RUN mkdir -p "$SRC"

# Preserve cache among containers
VOLUME [ "/root" ]

# Build dependencies
RUN apk add --no-cache --virtual .build \
        build-base \
        krb5-dev \
        libffi-dev \
        librsync-dev \
        libxml2-dev \
        libxslt-dev \
        openssl-dev \
    # Runtime dependencies, based on https://bazaar.launchpad.net/~duplicity-team/duplicity/0.8-series/view/head:/requirements.txt
    && pip install --no-cache-dir \
        # Basic dependencies
        fasteners \
        future \
        mock \
        requests \
        urllib3 \
        # Backend libraries
        azure \
        b2 \
        b2sdk \
        boto \
        dropbox==6.9.0 \
        gdata \
        jottalib \
        mediafire \
        paramiko \
        pydrive \
        python-swiftclient \
        requests_oauthlib \
        # Duplicity from source code
        https://launchpad.net/duplicity/$(echo $DUPLICITY_VERSION | sed -r 's/^([0-9]+\.[0-9]+)([0-9\.]*)$/\1/')-series/$DUPLICITY_VERSION/+download/duplicity-$DUPLICITY_VERSION.tar.gz \
    && apk del .build

COPY bin/* /usr/local/bin/
RUN chmod a+rx /usr/local/bin/* && sync

# Metadata
ARG VCS_REF
ARG BUILD_DATE
LABEL org.label-schema.schema-version="1.0" \
      org.label-schema.vendor=Tecnativa \
      org.label-schema.license=Apache-2.0 \
      org.label-schema.build-date="$BUILD_DATE" \
      org.label-schema.vcs-ref="$VCS_REF" \
      org.label-schema.vcs-url="https://github.com/Tecnativa/docker-duplicity"


FROM latest AS latest-s3
ENV JOB_500_WHAT='dup full $SRC $DST' \
    JOB_500_WHEN='weekly' \
    OPTIONS_EXTRA='--metadata-sync-mode partial --full-if-older-than 1W --file-prefix-archive archive-$(hostname -f)- --file-prefix-manifest manifest-$(hostname -f)- --file-prefix-signature signature-$(hostname -f)- --s3-european-buckets --s3-multipart-chunk-size 10 --s3-use-new-style'


FROM latest AS docker
RUN apk add --no-cache docker


FROM docker AS docker-s3
ENV JOB_500_WHAT='dup full $SRC $DST' \
    JOB_500_WHEN='weekly' \
    OPTIONS_EXTRA='--metadata-sync-mode partial --full-if-older-than 1W --file-prefix-archive archive-$(hostname -f)- --file-prefix-manifest manifest-$(hostname -f)- --file-prefix-signature signature-$(hostname -f)- --s3-european-buckets --s3-multipart-chunk-size 10 --s3-use-new-style'


FROM latest AS postgres
RUN apk add --no-cache postgresql --repository http://dl-cdn.alpinelinux.org/alpine/v3.9/main
ENV JOB_200_WHAT psql -0Atd postgres -c \"SELECT datname FROM pg_database WHERE NOT datistemplate AND datname != \'postgres\'\" | xargs -0tI DB pg_dump --dbname DB --no-owner --no-privileges --file \"\$SRC/DB.sql\"
ENV JOB_200_WHEN='daily weekly' \
    PGHOST=db


FROM postgres AS postgres-s3
ENV JOB_500_WHAT='dup full $SRC $DST' \
    JOB_500_WHEN='weekly' \
    OPTIONS_EXTRA='--metadata-sync-mode partial --full-if-older-than 1W --file-prefix-archive archive-$(hostname -f)- --file-prefix-manifest manifest-$(hostname -f)- --file-prefix-signature signature-$(hostname -f)- --s3-european-buckets --s3-multipart-chunk-size 10 --s3-use-new-style'