【Dockerfile】Dockerfile.crontab

FROM alpine:latest
ENV SUPERCRONIC_URL=https://github.com/aptible/supercronic/releases/download/v0.1.12/supercronic-linux-amd64 \
    SUPERCRONIC=supercronic-linux-amd64 \
    SUPERCRONIC_SHA1SUM=048b95b48b708983effb2e5c935a1ef8483d9e3e
RUN apk update \
    && apk --no-cache add curl \
    && 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 cronfile /app/cronfile
# RUN cron job
CMD ["/usr/local/bin/supercronic", "-debug", "/app/cronfile"]