Dockerfile

FROM golang:1.18-alpine as builder

WORKDIR /app
COPY go.* ./
RUN go mod download
COPY . ./
RUN go build

FROM alpine
ARG TARGETARCH

RUN apk add --no-cache restic rclone bash openssh docker-cli
RUN if [ "$TARGETARCH" = "amd64" ]; then \
        mkdir -p ~/.docker/cli-plugins && \
        wget https://github.com/docker/compose/releases/latest/download/docker-compose-linux-x86_64 -O ~/.docker/cli-plugins/docker-compose && \
        chmod +x ~/.docker/cli-plugins/docker-compose && \
        docker compose version; \
    else \
        mkdir -p ~/.docker/cli-plugins && \
        wget https://github.com/docker/compose/releases/latest/download/docker-compose-linux-aarch64 -O ~/.docker/cli-plugins/docker-compose && \
        chmod +x ~/.docker/cli-plugins/docker-compose && \
        docker compose version; \
    fi 

COPY --from=builder /app/autorestic /usr/bin/autorestic
COPY entrypoint.sh /entrypoint.sh
COPY crond.sh /crond.sh
RUN chmod +x /entrypoint.sh /crond.sh
# show autorestic cron logs in docker
RUN ln -sf /proc/1/fd/1 /var/log/autorestic-cron.log
# run autorestic-cron every minute
RUN echo -e "*/1 * * * * bash /crond.sh" >> /etc/crontabs/root

CMD [ "/entrypoint.sh" ]