====== Mattermost Server ======

How to host mattermost on your own server ?

===== Source Code =====

Download the source : 

<code>
wget https://releases.mattermost.com/5.39.0/mattermost-5.39.0-linux-amd64.tar.gz
</code>

===== Apache2 modules =====


You need to enable the following apache modules: **mod_rewrite , mod_proxy, mod_proxy_http, mod_headers, and proxy_wstunnel**.

You can use the apache2 enable mod command, a2enmod :

<code>
sudo a2enmod proxy_wstunnel
</code>
and
<code>
sudo a2enmod headers
</code>
... and so on.

===== Apache2 configuration - SSL =====

Under /etc/apache2/sites-available/000-default-le-ssl.conf

<code>
<IfModule mod_ssl.c>
<VirtualHost *:443>
ServerName mattermost.yourdomain.org

SSLCertificateFile /etc/letsencrypt/live/mattermost.yourdomain.org/fullchain.pem
SSLCertificateKeyFile /etc/letsencrypt/live/mattermost.yourdomain.org/privkey.pem
Include /etc/letsencrypt/options-ssl-apache.conf

ProxyPreserveHost On

<IfModule mod_security2.c>
   SecRuleEngine Off
</IfModule>

  # Set web sockets
  RewriteEngine On
  RewriteCond %{REQUEST_URI} /api/v[0-9]+/(users/)?websocket [NC]
  RewriteCond %{HTTP:UPGRADE} ^WebSocket$ [NC]
  RewriteCond %{HTTP:CONNECTION} \bUpgrade\b [NC]
  RewriteRule .* ws://127.0.0.1:8065%{REQUEST_URI} [P,QSA,L]

  <Location />
        Require all granted
        ProxyPass http://127.0.0.1:8065/
        ProxyPassReverse http://127.0.0.1:8065/
        ProxyPassReverseCookieDomain 127.0.0.1 mattermost.yourdomain.org
  </Location>

</VirtualHost>
</IfModule>


</code>