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Docker ckan image Docker Pulls

Overview

This repository contains base docker image used to build CKAN instances. It's based on Alpine Linux and includes only required extensions to start CKAN instance.

Build

To create new image run:

docker build --tag ckan-2.8.2 . 

The –-tag ckan-2.8.2 flag sets the image name to ckan-2.8.2 and the dot ( “.” ) at the end tells docker build to look into the current directory for Dockerfile and related contents.

List

Check if the image shows up in the list of images:

 docker images

Run

To start and test newly created image run:

 docker run ckan-2.8.2

Check if CKAN was succesfuly started on http://localhost:5000. The ckan site url is configured in ENV CKAN_SITE_URL.

Upload to DockerHub

It's recommended to upload built images to DockerHub

To upload the image to DockerHub run:

docker push [options] <docker-hub>/ckan:<image-tag> 

Upgrade

To upgrade the Docker file to use new CKAN version, in the Dockerfile you should change:

ENV GIT_BRANCH={ckan_release}

Check CKAN repository for the latest releases. If there are new libraries used by the new version requirements, those needs to be included too.

Extensions

Default extensions used in the Dockerfile are kept in:

ENV CKAN__PLUGINS envvars image_view text_view recline_view datastore datapusher

Add new scripts

You can add scripts to CKAN custom images and copy them to the docker-entrypoint.d directory. Any *.sh or *.py file in that directory will be executed after the main initialization script (prerun.py) is executed.

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CKAN docker image

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  • Python 50.5%
  • Dockerfile 29.6%
  • Shell 17.0%
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