What's new:

• Supercronic can now verify the syntax of a crontab without running it via the -test flag.
• Supercronic can now optionally allow overlapping jobs via the -overlapping flag, by @pavel-popov.
• Supercronic now reloads its configuration upon receiving SIGUSR2, by @Magnum5234.
• Supercronic now supports routing errors to Sentry via the -sentry-dsn flag, by @cpnielsen.
• Supercronic now supports splitting logs across stdout and stderr via the -split-logs flag, by @katsew.

Installation Instructions

supercronic-linux-amd64

Add the following stanza to your Dockerfile to install supercronic-linux-amd64.

You will need to install curl beforehand.

ENV SUPERCRONIC_URL=https://github.com/aptible/supercronic/releases/download/v0.1.7/supercronic-linux-amd64 \
    SUPERCRONIC=supercronic-linux-amd64 \
    SUPERCRONIC_SHA1SUM=bbdb75e8b0892b700b2c3ca480c729285ce83efd

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

supercronic-linux-386

Add the following stanza to your Dockerfile to install supercronic-linux-386.

You will need to install curl beforehand.

ENV SUPERCRONIC_URL=https://github.com/aptible/supercronic/releases/download/v0.1.7/supercronic-linux-386 \
    SUPERCRONIC=supercronic-linux-386 \
    SUPERCRONIC_SHA1SUM=29793d6a10fc3af2f7450d25093650541a2293af

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

supercronic-linux-arm

Add the following stanza to your Dockerfile to install supercronic-linux-arm.

You will need to install curl beforehand.

ENV SUPERCRONIC_URL=https://github.com/aptible/supercronic/releases/download/v0.1.7/supercronic-linux-arm \
    SUPERCRONIC=supercronic-linux-arm \
    SUPERCRONIC_SHA1SUM=3318a5fbdbb1ecf76dfefa4344daaa0c8093162a

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

supercronic-linux-arm64

Add the following stanza to your Dockerfile to install supercronic-linux-arm64.

You will need to install curl beforehand.

ENV SUPERCRONIC_URL=https://github.com/aptible/supercronic/releases/download/v0.1.7/supercronic-linux-arm64 \
    SUPERCRONIC=supercronic-linux-arm64 \
    SUPERCRONIC_SHA1SUM=1b9ebd06c79f475120aaf8b8240b9ac9f9a1ab93

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