Dockerfile-ubuntu

FROM --platform=$TARGETPLATFORM ubuntu:20.04

ARG TARGETARCH
ARG TARGETPLATFORM
ARG TARGETVARIANT

ENV ISYNC_VERSION="1.3.0-2" \
    CURL_VERSION="7.68.0-1ubuntu2.4" \
    CA_CERTIFICATES_VERSION="20201027ubuntu0.20.04.1" \
    PROCPS_VERSION="2:3.3.16-1ubuntu2"

SHELL ["/bin/bash", "-o", "pipefail", "-c"]

RUN apt-get update \
 && apt-get --no-install-recommends --yes install \
      isync="${ISYNC_VERSION}" \
      ca-certificates="${CA_CERTIFICATES_VERSION}" \
      curl="${CURL_VERSION}" \
      procps="${PROCPS_VERSION}" \
 && useradd --home-dir /workdir mbsync \
 && rm -rf /var/cache/apt

ENV SUPERCRONIC_VERSION=v0.1.12
ENV SUPERCRONIC_URL="https://github.com/aptible/supercronic/releases/download/${SUPERCRONIC_VERSION}/supercronic-linux-${TARGETARCH}" \
    SUPERCRONIC="supercronic-linux-${TARGETARCH}" \
    SUPERCRONIC_SHA1SUM="SUPERCRONIC_SHA1SUM_${TARGETARCH}" \
    SUPERCRONIC_SHA1SUM_amd64="048b95b48b708983effb2e5c935a1ef8483d9e3e" \
    SUPERCRONIC_SHA1SUM_arm64="8baba3dd0b0b13552aca179f6ef10d55e5dee28b" \
    SUPERCRONIC_SHA1SUM_arm="d72d3d40065c0188b3f1a0e38fe6fecaa098aad5"

RUN curl -fsSLO "${SUPERCRONIC_URL}" \
 && echo "${!SUPERCRONIC_SHA1SUM}  ${SUPERCRONIC}" | sha1sum -c - \
 && chmod +x "${SUPERCRONIC}" \
 && mv "${SUPERCRONIC}" "/usr/local/bin/${SUPERCRONIC}" \
 && ln -s "/usr/local/bin/${SUPERCRONIC}" /usr/local/bin/supercronic

COPY crontab /etc/crontab

USER mbsync

ARG CREATED
ARG REVISION=HEAD

LABEL org.opencontainers.image.authors="https://github.com/cewood" \
      org.opencontainers.image.created="${CREATED}" \
      org.opencontainers.image.licenses="MIT" \
      org.opencontainers.image.revision="${REVISION}" \
      org.opencontainers.image.source="https://github.com/cewood/mbsync-docker/tree/${REVISION}" \
      org.opencontainers.image.title="cewood/mbsync" \
      org.opencontainers.image.url="https://github.com/cewood/mbsync-docker"