Pleroma

Installation

Dependencies

Postgresql version 9.6 or newer
Elixir version 1.4 or newer
NodeJS LTS
Build-essential tools

Installing dependencies on Debian system

PostgreSQL 9.6 should be available on Debian stable (Jessie) from "main" area. Install it using apt: apt install postgresql-9.6. Make sure that older versions are not installed since Debian allows multiple versions to coexist but still runs only one version.

You must install elixir 1.4+ from elixir-lang.org, because Debian repos only have 1.3.x version. You will need to add apt repo to sources.list(.d) and import GPG key. Follow instructions here: https://elixir-lang.org/install.html#unix-and-unix-like (See "Ubuntu or Debian 7"). This should be valid until Debian updates elixir in their repositories. Package you want is named elixir, so install it using apt install elixir

Elixir will also require make and probably other related software for building dependencies - in case you don't have them, get them via apt install build-essential

NodeJS is available as nodejs package on Debian. apt install nodejs. Debian stable has 4.8.x version. If that does not work, use nodesource's repo https://github.com/nodesource/distributions#deb - version 5.x confirmed to work.

Preparation

You probably want application to run as separte user - so create a new one: adduser pleroma, you can login as it via su pleroma
Clone the git repository into new user's dir (clone as the pleroma user to avoid permissions errors)
Again, as new user, install dependencies with mix deps.get if it asks you to install "hex" - agree to that.

Database setup

You'll need to allow password-based authorisation for postgres superuser
- Changing default password for superuser is probably a good idea:
  - Open psql shell as postgres user - while being root run su postgres -c psql
  - There, enter following:
```
ALTER USER postgres with encrypted password '<PASSWORD>';
```
  where is any string, no need to manually encrypt it - postgres will encrypt it automatically for you.
  - Replace password in file config/dev.exs with password you supplied in previous step (look for line like password: "postgres")
- Edit /etc/postgresql/9.6/main/pg_hba.conf (Assuming you have the 9.6 version) and change the line:
```
local   all             postgres                                peer
```
to
```
local   all             postgres                                md5
```
don't forget to revert it in the later step so you won't have to enter password when accessing psql console.
Create and update your database with mix ecto.create && mix ecto.migrate. If it gives errors, try running again, this is a known issue.
Undo changes you made in /etc/postgresql/9.6/main/pg_hba.conf (replace md5 with peer)
You most likely don't want having some application accessing database as a superuser, so you should create separate user for Pleroma. Right now it must be done manually (issue #27).
- Open psql shell as postgres user: (as root) su postgres -c psql
- Create a new PostgreSQL user:
```
\c pleroma_dev
CREATE user pleroma;
ALTER user pleroma with encrypted password '<your password>';
GRANT ALL ON ALL tables IN SCHEMA public TO pleroma;
GRANT ALL ON ALL sequences IN SCHEMA public TO pleroma;
```
- Again, change password in config/dev.exs, and change user to "pleroma" (line like username: "postgres")

Some additional configuration

You will need to let pleroma instance to know what hostname/url it's running on.

In file config/dev.exs, add these lines at the end of the file:
```
config :pleroma, Pleroma.Web.Endpoint,
url: [host: "example.tld", scheme: "https", port: 443] 
```
replacing example.tld with your (sub)domain
The common and convenient way for adding HTTPS is by using Nginx as a reverse proxy. You can look at example Nginx configuration in installation/pleroma.nginx. If you need TLS/SSL certificates for HTTPS, you can look get some for free with letsencrypt: https://letsencrypt.org/ On Debian you can use certbot package and command to manage letsencrypt certificates.
[Not tested with system reboot yet!] You'll also want to set up Pleroma to be run as a systemd service. Example .service file can be found in installation/pleroma.service you can put it in /etc/systemd/system/.

Running

By default, it listens on port 4000 (TCP), so you can access it on http://localhost:4000/ (if you it on same machine). In case of an error it will restart automatically.

As systemd service (with provided .service file)

Running service pleroma start Logs can be watched by using journalctl -fu pleroma.service

Standalone/run by other means

Run mix phx.server in repository's root, it will output log into stdout/stderr

Phoenix info

Ready to run in production? Please check our deployment guides.

Learn more

Official website: http://www.phoenixframework.org/
Guides: http://phoenixframework.org/docs/overview
Docs: https://hexdocs.pm/phoenix
Mailing list: http://groups.google.com/group/phoenix-talk
Source: https://github.com/phoenixframework/phoenix

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