Refs #27406 - Squeeze this image

instance/Dockerfile

@@ -1,4 +1,4 @@
-FROM eeacms/zope:2.13.23
+FROM eeacms/zope:2.13.x
 MAINTAINER "Alin Voinea" <alin.voinea@eaudeweb.ro>
 
 COPY src/versions.cfg       $ZOPE_HOME/

instance/README.md

@@ -10,7 +10,9 @@ your non-related EEA projects.
 ## Supported tags and respective Dockerfile links
 
   - `:latest` [*Dockerfile*](https://github.com/eea/eea.docker.plone/blob/master/instance/Dockerfile) (default)
+  - `:5.x` [*Dockerfile*](https://github.com/eea/eea.docker.plone/blob/5.x/instance/Dockerfile)
   - `:5.0` [*Dockerfile*](https://github.com/eea/eea.docker.plone/blob/5.0/instance/Dockerfile)
+  - `:4.x` [*Dockerfile*](https://github.com/eea/eea.docker.plone/blob/4.x/instance/Dockerfile)
   - `:4.3.7` [*Dockerfile*](https://github.com/eea/eea.docker.plone/blob/4.3.7/instance/Dockerfile)
   - `:4.3.6-hotfix20150910` [*Dockerfile*](https://github.com/eea/eea.docker.plone/blob/4.3.6-hotfix20150910/instance/Dockerfile)
   - `:4.3.6` [*Dockerfile*](https://github.com/eea/eea.docker.plone/blob/4.3.6/instance/Dockerfile)
@@ -173,6 +175,23 @@ and then run
 In the same way you can provide custom `sources.cfg` and `versions.cfg` or all of
 them together.
 
+If your egg has system dependencies, you should define these dependencies
+within a file called *requires.yum* inside the egg. For example, eea.converter
+requires wkhtmltopdf and ImageMagick, for this:
+
+    $ tree /opt/zope/eggs/eea.converter
+    /opt/zope/eggs/eea.converter
+    |_ EGG-INFO/requires.yum
+    |_ ...
+
+    $ cat /opt/zope/eggs/eea.converter/EGG-INFO/requires.yum
+    ImageMagick
+    http://download.gna.org/wkhtmltopdf/0.12/0.12.2.1/wkhtmltox-0.12.2.1_linux-centos7-amd64.rpm
+
+In this way, this image will know to install these dependencies before starting
+Zope.
+
+
 ### ZEO client
 
 Below is an example of `docker-compose.yml` file for `plone` used as a `ZEO` client: