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_etc

This directory contains configuration files that are copied to /etc in the container when the Docker file is built, and when a child is built.

Customisation

Apache config
CKAN config
- You can specify custom options in the custom_options.ini file, they will be applied to the default ini file.
- or override the default (generated) config with a volume
- filenames (of the config & custom_options file) can be overriden with environment variables
Cron jobs
Postfix config
Supervisor managed processes

Ngnix is not installed in the CKAN container anymore. Use the official Ngnix container, or a custom built container instead

Nginx conf is stored in this folder for consistency.
The default config uses "ckan" as a hostname, the corresponding IP address is resolved by linking the ckan container, which adds an entry in /etc/hosts inside the container. Make sure you link your CKAN container as my_ckan:ckan or change the config.

Usage

Building the CKAN image

i.e. This docker file

This will copy the files using the Docker ADD instruction

Building a child image

i.e. A different Docker from the CKAN image (downstream build)

This will override the files using the Docker ONBUILD instruction

This means that when building a child image, you should have the same directory structure.