FROM alpine:3.13.0
ARG VERSION
ARG TARGETARCH
ENV VERSION $VERSION
ADD https://github.com/restic/restic/releases/download/v${VERSION}/restic_${VERSION}_linux_${TARGETARCH}.bz2 /root/restic.bz2
RUN bunzip2 /root/restic.bz2 && chmod +x /root/restic && mv /root/restic /usr/bin/restic
ENTRYPOINT ["/usr/bin/restic"]