Cron on Docker

Dockerfile

FROM node:0.10.35

RUN apt-get update && apt-get install -y cron rsyslog

RUN mkdir -p /usr/src/app
WORKDIR /usr/src/app

RUN ln -s /usr/src/app/lib/sample_cron /etc/cron.d/sample_cron

RUN touch /var/log/cron.log

CMD rsyslogd && cron && tail -f /var/log/syslog /var/log/cron.log

sample_cron

* * * * * root echo "Hello World" >> /var/log/cron.log 2>&1