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Supported tags and respective Dockerfile links

Quick reference

What is Plone?

Plone is a free and open source content management system built on top of the Zope application server.

logo

Features

  • Images for Plone 5 and Plone 4
  • Enable add-ons via environment variables

Usage

Start a single Plone instance

This will download and start the latest Plone 5 container, based on Debian.

$ docker run -p 8080:8080 plone

This image includes EXPOSE 8080 (the Plone port), so standard container linking will make it automatically available to the linked containers. Now you can add a Plone Site at http://localhost:8080 - default Zope user and password are admin/admin.

Start Plone within a ZEO cluster

Start ZEO server

$ docker run --name=zeo plone zeoserver

Start 2 Plone clients

$ docker run --link=zeo -e ZEO_ADDRESS=zeo:8100 -p 8081:8080 plone
$ docker run --link=zeo -e ZEO_ADDRESS=zeo:8100 -p 8082:8080 plone

Start Plone in debug mode

You can also start Plone in debug mode (fg) by running

$ docker run -p 8080:8080 plone fg

Add-ons

You can enable Plone add-ons via the PLONE_ADDONS environment variable

$ docker run -p 8080:8080 -e PLONE_ADDONS="eea.facetednavigation Products.PloneFormGen" plone

For more information on how to extend this image with your own custom settings, adding more add-ons, building it or mounting volumes, please refer to our documentation.

Supported Environment Variables

The Plone image uses several environment variable that allow to specify a more specific setup.

  • PLONE_ADDONS, ADDONS - Customize Plone via Plone add-ons using this environment variable
  • PLONE_ZCML, ZCML - Include custom Plone add-ons ZCML files
  • PLONE_DEVELOP, DEVELOP - Develop new or existing Plone add-ons
  • ZEO_ADDRESS - This environment variable allows you to run Plone image as a ZEO client.
  • ZEO_READ_ONLY - Run Plone as a read-only ZEO client. Defaults to off.
  • ZEO_CLIENT_READ_ONLY_FALLBACK - A flag indicating whether a read-only remote storage should be acceptable as a fallback when no writable storages are available. Defaults to false.
  • ZEO_SHARED_BLOB_DIR - Set this to on if the ZEO server and the instance have access to the same directory. Defaults to off.
  • ZEO_STORAGE - Set the storage number of the ZEO storage. Defaults to 1.
  • ZEO_CLIENT_CACHE_SIZE - Set the size of the ZEO client cache. Defaults to 128MB.
  • ZEO_PACK_KEEP_OLD - Can be set to false to disable the creation of *.fs.old files before the pack is run. Defaults to true.
  • HEALTH_CHECK_TIMEOUT - Time in seconds to wait until health check starts. Defaults to 1 second.
  • HEALTH_CHECK_INTERVAL - Interval in seconds to check that the Zope application is still healthy. Defaults to 1 second.

Documentation

Full documentation for end users can be found in the "docs" folder. It is also available online at http://docs.plone.org/

Credits

This docker image was originally financed by the European Environment Agency, an agency of the European Union.

Thanks to Antonio De Marinis, Sven Strack and Alin Voinea for their preliminary work.

Image Variants

The plone images come in many flavors, each designed for a specific use case.

plone:<version>

This is the defacto image. If you are unsure about what your needs are, you probably want to use this one. It is designed to be used both as a throw away container (mount your source code and start the container to start your app), as well as the base to build other images off of.

plone:alpine

This image is based on the popular Alpine Linux project, available in the alpine official image. Alpine Linux is much smaller than most distribution base images (~5MB), and thus leads to much slimmer images in general.

This variant is highly recommended when final image size being as small as possible is desired. The main caveat to note is that it does use musl libc instead of glibc and friends, so certain software might run into issues depending on the depth of their libc requirements. However, most software doesn't have an issue with this, so this variant is usually a very safe choice. See this Hacker News comment thread for more discussion of the issues that might arise and some pro/con comparisons of using Alpine-based images.

To minimize image size, it's uncommon for additional related tools (such as git or bash) to be included in Alpine-based images. Using this image as a base, add the things you need in your own Dockerfile (see the alpine image description for examples of how to install packages if you are unfamiliar).

License

View license information for the software contained in this image.

As with all Docker images, these likely also contain other software which may be under other licenses (such as Bash, etc from the base distribution, along with any direct or indirect dependencies of the primary software being contained).

Some additional license information which was able to be auto-detected might be found in the repo-info repository's plone/ directory.

As for any pre-built image usage, it is the image user's responsibility to ensure that any use of this image complies with any relevant licenses for all software contained within.