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   1 # Pleroma
   2
   3 ## Installation
   4
   5 ### Dependencies
   6
   7 * Postgresql version 9.5 or newer
   8 * Elixir version 1.4 or newer
   9 * NodeJS LTS
  10 * Build-essential tools
  11
  12 #### Installing dependencies on Debian system
  13 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, debian allows multiple versions to coexist but still runs only one version.
  14
  15 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`
  16
  17 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`
  18
  19 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.
  20
  21 ### Preparation
  22
  23   * You probably want application to run as separte user - so create a new one: `adduser pleroma`, you can login as it via `su pleroma`
  24   * Clone the git repository into new user's dir (clone as the pleroma user to avoid permissions errors)
  25   * Again, as new user, install dependencies with `mix deps.get` if it asks you to install "hex" - agree to that.
  26
  27 ### Database preparation
  28
  29   * You'll need to allow password-based authorisation for `postgres` superuser
  30      * changing default password for superuser is probably a good idea:
  31         * Open psql shell as postgres user - while being root run `su postgres -c psql`
  32         * There, enter following: `ALTER USER postgres with encrypted password '<PASSWORD>';` - where <PASSWORD> is just any string, no need to manually encrypt it, postgres will encrypt it automatically for you.
  33         * Replace password in file `config/dev.exs` with password you supplied in previous step (look for line like `password: "postgres"`)
  34
  35      * edit `/etc/postgresql/9.6/main/pg_hba.conf` (Assuming you have 9.6 version) and change the line:
  36
  37      ```
  38      local   all             postgres                                peer
  39      ```
  40
  41      to
  42
  43      ```
  44      local   all             postgres                                md5
  45      ```
  46
  47      don't forget to revert it in the later step so you won't have to enter password when accessing psql console.
  48   * Create and update your database with `mix ecto.create && mix ecto.migrate`. If it gives errors, try running again, this is a known issue.
  49   * Undo changes you made in `/etc/postgresql/9.6/main/pg_hba.conf` (replace `md5` with `peer`)
  50   * You most likely don't want having some application accessing database as superuser, so you need to create separate user for that. Right now it must be done manually (issue #27).
  51      * Open psql shell as postgres user: (as root) `su postgres -c psql`
  52      * Create a new PostgreSQL user:
  53
  54      ```sql
  55      \c pleroma_dev
  56      CREATE user pleroma;
  57      ALTER user pleroma with encrypted password '<your password>';
  58      GRANT ALL ON ALL tables IN SCHEMA public TO pleroma;
  59      GRANT ALL ON ALL sequences IN SCHEMA public TO pleroma;
  60      ```
  61
  62      * Again, change password in `config/dev.exs`, and change user to `"pleroma"` (line like `username: "postgres"`)
  63
  64 ### Some additional configuration
  65
  66   * You will need to let pleroma instance to know what hostname/url it's running on.
  67
  68     In file `config/dev.exs`, add these lines at the end of the file:
  69
  70     ```elixir
  71     config :pleroma, Pleroma.Web.Endpoint,
  72     url: [host: "example.tld", scheme: "https", port: 443]
  73     ```
  74
  75     replacing `example.tld` with your (sub)domain
  76
  77   * The common and convenient way for adding HTTPS is by using nginx as 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/
  78   On debian you can use `certbot` package and command to manage letsencrypt certificates.
  79
  80   * (not tested with reboots yet!) You'll also want to set up Pleroma to be run as a systemd service. Example .service can be found in `installation/pleroma.service` you can put it in `/etc/systemd/system/`.
  81   Start pleroma by running `service pleroma start`
  82   Logs can be watched by using `journalctl -fu pleroma.service`
  83
  84   * Without systemd you can start Pleroma by starting Phoenix endpoint with `mix phx.server`
  85
  86 In any case, it should be available on 4000 port on localhost and proxied to 443 port by nginx.
  87
  88
  89
  90 # Phoenix info
  91
  92 Ready to run in production? Please [check our deployment guides](http://www.phoenixframework.org/docs/deployment).
  93
  94 ## Learn more
  95
  96   * Official website: http://www.phoenixframework.org/
  97   * Guides: http://phoenixframework.org/docs/overview
  98   * Docs: https://hexdocs.pm/phoenix
  99   * Mailing list: http://groups.google.com/group/phoenix-talk
 100   * Source: https://github.com/phoenixframework/phoenix