uqlibrary/docker-crond repository overview

⁠docker-crond

This repository contains a Dockerfile of Crond (Cronie) for Docker's automated build published to the public Docker Hub Registry⁠.

⁠Installation

(Replace "TAG" with the most recent tagged release image)

1. Install Docker⁠.

2. Download the automated build⁠ from the public Docker Hub Registry⁠:

   docker pull uqlibrary/docker-crond:TAG
   

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   (or, you can build an image from Dockerfile: docker build -t uqlibrary/docker-crond:TAG .)

⁠Usage

1. Create a cron.d directory and place your own crontab file(s) inside it (ensure that ownership is root:root and file permissions are 644)

   mkdir cron.d
   vi ./cron.d/mytestjob
   sudo chmod -R g-w ./cron.d
   sudo chown -R root:root ./cron.d
   

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2. Start the container (with custom crontab included via volume mount):

   docker run -d -v ./cron.d:/etc/cron.d uqlibrary/docker-crond:TAG
   

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3. All job outputs that would normally go to email is being caught by debug output and will be in docker logs

   docker logs -f <container>
   

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