first image: git auto puller

sites/005-hugo-extended/git-auto-pull/Dockerfile

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+FROM alpine as alpine
+
+RUN apk add --no-cache git openssh-client
+
+ADD pull.sh entrypoint.sh /
+RUN chmod +x pull.sh entrypoint.sh
+
+RUN echo "*/2 * * * * /pull.sh" > crontab.txt
+RUN crontab crontab.txt
+
+WORKDIR /repo
+VOLUME /repo
+VOLUME /ssh
+
+ENTRYPOINT ["/entrypoint.sh"]