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:toc: macro
:toclevels: 4

= Pleroma-Docker (Unofficial)[Pleroma] is a selfhosted social network that
uses OStatus/ActivityPub.

This repository dockerizes it for easier deployment.

#include <public_domain.h>
#include <std_disclaimer.h>

 * This repository comes with ABSOLUTELY NO WARRANTY
 * I am not responsible for burning servers, angry users, fedi drama,
 * thermonuclear war, or you getting fired because your boss saw your
 * NSFW posts. Please do some research if you have any concerns about included
 * features or the software used by this script before using it.
 * You are choosing to use this setup, and if you point the finger at me for
 * messing up your instance, I will laugh at you.

== Features

* 100% generic
* Everything is customizable
* Zero special host dependencies
* Configuration is not compile-time
* "It just works"

== Alternatives

If this setup is a bit overwhelming there are a lot of other great
dockerfiles or guides from the community. A few are linked below. This
list is not exhaustive and not ordered.


== The Guide

This section is intended to give you a "short" intro to pleroma-docker. +
Not all commands are explained here. +
Always take a look at `./pleroma help`.

If you don't fully know how to use[docker] or[docker-compose] yet that shouldn't be 
a huge issue - but you should still bookmark their[official docs] in case you get lost.
Remember that you can always run `./pleroma dump` to view the generated docker-compose config, and `DEBUG=1 ./pleroma [command]` to view commands as they are executed.

=== Table Of Contents


=== Installation

* Clone this repository
* Copy `.env.dist` to `.env`
* Edit `.env` (see "Configuring Pleroma" section below)
* Run `./pleroma build` and `./pleroma start`
* Profit!

=== Configuration

This project[injects
code] into pleroma that moves its configuration into the environment
(ref["The Twelve-Factor App"]). The built image
is 100% reusable and can be shared/replicated across multiple hosts. To
do that just run `./pleroma build` as usual and then tag your image to
whatever you want. Just make sure to start the replicated container with
`env_file:` or all required `-e` pairs.

TL;DR: Modify `.env` or provide environment variables yourself.

=== Updating

Just run `./pleroma build` again and `./pleroma start` afterwards.

You dont need to shutdown pleroma while compiling the new release.

Every time you run `./pleroma build` the script will fetch all upstream
changes and checkout `PLEROMA_VERSION`. This means that setting
`PLEROMA_VERSION` to a branch enables rolling-release updates while
setting it to a tag or commit-hash pins the version.

Code-injection and `custom.d` modifications are processed *after* this step,
so don't worry about merge conflicts. They won't happen unless lain decides to
rewrite pleroma's commit history.

=== Maintenance

Pleroma maintenance is usually done with premade mix tasks. You can run
these tasks using `./pleroma mix [task] [arguments...]`. If you need to
fix some bigger issues you can also spawn a shell using
`./pleroma enter`.

=== Customizations

Prepending `custom.d/` to pleromas customization guides should work all the time. +
Check them out in the[official pleroma wiki].

For example: A custom thumbnail now goes into +
`custom.d/priv/static/instance/thumbnail.jpeg` +
instead of +

If creating the folder structure is too tedious you can also use `./pleroma mod`.
This command accepts a regex and then searches the pleroma repository for a matching file.
After that you get a dialog with the closest matches, and the selected file will be added to `custom.d`.

For example: To modify `lib/pleroma/web/mastodon_api/views/list_view.ex` call `./pleroma mod 'masto.*list'`.

=== Debugging

Yes you read that right! Since pleroma-docker supports modifying the
codebase we also ship with full support for `:debugger` and `:observer`.
The only hard limitation here is that this (currently) only works on
Linux setups that use Xorg.

To start a debugging session use `./pleroma debug [command]`. This
spawns a new pleroma container (and the connected db container, if
needed), and also forwards your X-Server into the container.

The most common debug command is
`./pleroma debug iex -S mix phx.server`. This launches the pleroma
server as usual and drops you into an `iex` shell afterwards.
Now load the module that you want to debug with ``. For example:
` Pleroma.Web.CommonAPI`. After that launch `:debugger.start`, set your breakpoints, and have fun

If you just want to take a look at the running elixir processes, run `:observer.start`.

Protip: If you don't want that this script tampers with your `xhost`, or if you use wayland,
you can simply export `NO_X_FORWARDING=1` to disable X. This limits you to "static" debugging 
(`IO.inspect/2` / `IEx.pry/0` / `IEx.break!/2` / ...), but it will "work".

=== Data Storage

Currently all data is stored in subfolders of `DOCKER_DATADIR` which
will be bind-mounted into the container by docker.

Well evaluate named volumes as an option in the future but theyre
currently not supported.

=== Webserver/Database Options

pleroma-docker supports Traefik, Apache, Nginx and a "manual mode". +
You can switch between those modes using the variables below.


Values: `true` / `false`

By default pleroma-docker deploys a postgresql container and links it to
pleromas container as a zero-config data store. If you already have a
postgres database or want to host postgres on a physically different
machine set this value to `false`. Make sure to set the `POSTGRES_*`
variables when doing that.

==== Reverse Proxy (`SCRIPT_USE_PROXY`)

Values: `traefik` / `nginx` / `manual`

Pleroma is usually run behind a reverse-proxy. Pleroma-docker gives you
multiple options here.

===== Traefik

In traefik-mode we will generate a pleroma container with traefik
labels. These will be picked up at runtime to dynamically create a
reverse-proxy configuration. This should "just work" if `watch=true` and
`exposedByDefault=false` are set in the `[docker]` section of your
`traefik.conf`. SSL will also `just work' once you add a matching
`[[]]` entry.

===== NGINX

In nginx-mode we will generate a bare nginx container that is linked to
the pleroma container. The nginx container is absolutely unmodified and
expects to be configured by you. The nginx file in[Pleromas
Repository] is a good starting point.

We will mount your configs like this:

custom.d/server.nginx -> /etc/nginx/nginx.conf
custom.d/vhost.nginx -> /etc/nginx/conf.d/pleroma.conf

To reach your pleroma container from inside nginx use
`proxy_pass http://pleroma:4000;`.

Set `SCRIPT_PORT_HTTP` and `SCRIPT_PORT_HTTPS` to the ports you want to
listen on. Specify the ip to bind to in `SCRIPT_BIND_IP`. These values
are required.

The container only listens on `SCRIPT_PORT_HTTPS` if `SCRIPT_ENABLE_SSL`
is `true`.

===== Apache / httpd

Just like nginx-mode this starts an unmodified apache server that
expects to be configured by you. Again[Pleromas
Config] is a good starting point.

We will mount your configs like this:

custom.d/server.httpd -> /usr/local/apache2/conf/httpd.conf
custom.d/vhost.httpd -> /usr/local/apache2/conf/extra/httpd-vhosts.conf

To reach your pleroma container from inside apache use
`ProxyPass [loc] http://pleroma:4000/`.

`SCRIPT_BIND_IP` is required.

The container only listens on `SCRIPT_PORT_HTTPS` if `SCRIPT_ENABLE_SSL`
is `true`.

===== Manual

In manual mode we do not create any reverse proxy for you. Youll have
to figure something out on your own.

This mode also doesnt bind to any IP or port. Youll have to forward
something to the containers IP.


Values: `true` / `false`

If you want to use SSL with your Apache or NGINX containers youll need
a certificate. Certificates need to be placed into `custom.d` and will
be bind-mounted into the servers container at runtime.

We will mount your certs like this:

custom.d/ssl.crt -> /ssl/ssl.crt
custom.d/ssl.key -> /ssl/ssl.key

You can reference them in Apache like this:

<VirtualHost *:443>
    SSLEngine on
    SSLCertificateFile "/ssl/ssl.crt"
    SSLCertificateKeyFile "/ssl/ssl.key"

And in NGINX like this:

listen 443 ssl;
ssl_certificate     /ssl/ssl.crt;
ssl_certificate_key /ssl/ssl.key;

In traefik-mode and manual-mode these files and the `SCRIPT_ENABLE_SSL`
value are ignored.