Dockerfile.j2

{% if ARCH == "arm" %}
FROM golang:1.13 as builder

RUN set -x \
    && cd /opt \
    && git clone https://github.com/minio/mc -b {{ VERSION }} \
    && cd /opt/mc \
    && GOOS=linux GOARCH=arm go build -tags kqueue -o /usr/bin/mc \
    && test -f /usr/bin/mc
{% endif %}

FROM {{ IMAGE }}

LABEL maintainer="RiotKit" \
  org.label-schema.name="riot-mc-mirror" \
  org.label-schema.arch="{{ ARCH }}" \
  org.label-schema.description="Minio Client packed with crontab and programmed to synchronize two buckets" \
  org.label-schema.url="https://github.com/riotkit-org" \
  org.label-schema.vcs-url="https://github.com/riotkit-org/riot-mc-mirror" \
  org.label-schema.vendor="RiotKit" \
  org.label-schema.version="{{ VERSION }}"

ENV SOURCE_URL=http://primary.backups.example.org \
    # Access token to access resources on source S3
    SOURCE_ACCESS_TOKEN=some-token \
    # Secret to access resources on source S3
    SOURCE_SECRET=some-secret \
    # Bucket name from which the data will be copied from
    SOURCE_BUCKET=test-src-bucket \
    # URL of the target S3 where the files will be synchronized to
    TARGET_URL=http://some-minio-instance \
    # Access to the copy target
    TARGET_ACCESS_TOKEN=test \
    # Access to the copy target
    TARGET_SECRET=test \
    # Bucket name on target S3
    TARGET_BUCKET=test-bucket \
    # Options passed to "mc mirror" command
    MIRROR_OPTS=--json \
    # Crontab schedule
    CRON_SCHEDULE="*/5 * * * *"


COPY bin/*.sh /

{% if ARCH == "arm" %}
COPY --from=builder /usr/bin/mc /usr/bin/mc

RUN [ "cross-build-start" ]
{% endif %}

RUN apk add --update bash sed \
    && addgroup -g 1050 mirroring_comrade \
    && adduser -D -u 1050 -G mirroring_comrade mirroring_comrade \
    && chmod +x /*.sh {% if ARCH != "arm" %}\
    && /download_minio_version.sh {{ VERSION }}
    {% endif %}

{% if ARCH == "arm" %}
RUN [ "cross-build-end" ]
{% endif %}

ENTRYPOINT "/mirroring_entrypoint.sh"