ActionCable WebSocket with Passenger + Apache2 + ProxyPass/ProxyPassReverse

ws-passenger-apache2-proxy.conf.md

Requirements:

• httpd 2.4.5 and later
• Enable Apache2 modules:

sudo a2enmod proxy proxy_ajp proxy_http rewrite deflate headers proxy_balancer proxy_connect proxy_html proxy_wstunnel

<VirtualHost *:80  *:443>
  ServerName api.mysite.com.br
  ServerAlias app.mysite.com.br

  DocumentRoot "/webapp/mysite/public"

  #SSLEngine On
  #SSLProxyEngine On

  ProxyRequests Off
  ProxyPreserveHost on

  <Location />
    ProxyPass http://0.0.0.0:3000/
    ProxyPassReverse http://0.0.0.0:3000/
  </Location>

  <Location /cable>
    ProxyPass ws://mysite.com.br:3000/cable
    ProxyPassReverse ws://mysite.com.br:3000/cable
  </Location>

  <Proxy *>
    Order deny,allow
    Allow from all
  </Proxy>

  <Directory "/webapp/mysite/public">
        Options FollowSymlinks Multiviews
        AllowOverride All
        Allow from all
        Require all granted
        RailsEnv production
  </Directory>

  #SSLCertificateFile /etc/letsencrypt/live/mysite.com.br/fullchain.pem
  #SSLCertificateKeyFile /etc/letsencrypt/live/mysite.com.br/privkey.pem
  #Include /etc/letsencrypt/options-ssl-apache.conf
</VirtualHost>

Running Application

• Restarting apache2

sudo services apache2 restart

• Stoping app

passenger stop --port 3000

• Starting app

passenger start --daemonize --address 0.0.0.0 --port 3000 -e production

Thank you, I was just thinking to move to NGINX because my action cable was not working but you helped me and it start's working :)