Add gollum

gollum

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+Subproject commit 2d9747dd7396b783ee72c7d0aeb74c8633ff8513

gollum-cron/Dockerfile

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+#!/usr/bin/env -S docker build . --tag=jcosmao/cron-git --network=host --file
+
+# docker push jcosmao/cron-git
+
+FROM alpine:latest
+
+ARG UNAME=user
+ARG UID=1000
+ARG GID=1000
+
+USER root
+
+RUN addgroup --system --gid ${GID} ${UNAME}
+RUN adduser --system --disabled-password --home /home/${UNAME} \
+    --uid ${UID} --ingroup ${UNAME} ${UNAME}
+
+RUN apk update \
+    && apk upgrade \
+    && apk --no-cache add dcron libcap
+
+RUN apk fix && \
+    apk --no-cache --update add git git-lfs gpg less openssh patch mandoc man-pages bash && \
+    git lfs install
+
+RUN chown $UID:$GID /usr/sbin/crond \
+    && setcap cap_setgid=ep /usr/sbin/crond
+
+COPY --chown=$UID:$GID entrypoint.sh /home/$UNAME/entrypoint.sh
+RUN chmod +x /home/$UNAME/entrypoint.sh
+
+USER $UNAME
+RUN mkdir /home/$UNAME/crontabs && touch /home/$UNAME/crontabs/$UNAME
+WORKDIR /home/$UNAME
+
+# install a cronjob:
+# echo SHELL=/bin/sh > ~/crontabs/user
+# echo '* * * * *  my_cron' >> ~/crontabs/user
+
+# crond fail to setgid if run as PID 1
+ENTRYPOINT ["./entrypoint.sh"]
+

gollum-cron/entrypoint.sh

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+#!/bin/sh
+
+crond -c $HOME/crontabs -f -l 8 -L /dev/stdout