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Last pushed: 2 years ago
Short Description
A znc server with SSL support
Full Description

ZNC for Docker

Run the ZNC IRC Bouncer in a Docker container. This is a fork of jimeh/znc that adds SSL support by default.


  1. Install Docker.
  2. Make .znc folder: mkdir $HOME/.znc.
  3. Create a signed SSL cert named znc.pem inside the .znc directory.


To retain your ZNC settings between runs, you will need to bind a directory from the host to /znc-data in the container. This will download the image if needed, and create a default config file in your data directory unless you already have a config in place.

 docker run -d -p 6697:6697 -v $HOME/.znc:/znc-data <image-id>


If you've let the container create a default config for you, the default username/password combination is admin/admin. You can access the web-interface to create your own user by pointing your web-browser at the opened port.

I'd recommend you create your own user by cloning the admin user, then ensure your new cloned user is set to be an admin user. Once you login with your new user go ahead and delete the default admin user.

External Modules

If you need to use external modules, simply place the original *.cpp source files for the modules in your {DATADIR}/modules directory. The startup script will automatically build all .cpp files in that directory with znc-buildmod every time you start the container.

This ensures that you can easily add new external modules to your znc configuration without having to worry about building them. And it only slows down ZNC's startup with a few seconds.
Notes on DATADIR

ZNC needs a data/config directory to run. Within the container it uses /znc-data, so to retain this data when shutting down a container, you should mount a directory from the host. Hence -v $HOME/.znc:/znc-data is part of the instructions above.

As ZNC needs to run as it's own user within the container, the directory will have it's ownership changed to UID 1000 (user) and GID 1000 (group). Meaning after the first run, you might need root access to manually modify the data directory.
Passing Custom Arguments to ZNC

As docker run passes all arguments after the image name to the entrypoint script, the start-znc script simply passes all arguments along to ZNC.

For example, if you want to use the --makepass option, you would run:

docker run -i -t -v $HOME/.znc:/znc-data jimeh/znc --makepass

Make note of the use of -i and -t instead of -d. This attaches us to the container, so we can interact with ZNC's makepass process. With -d it would simply run in the background.

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