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(This article was first published on <strong><a href="https://www.r-statistics.com/2016/10/set-application-domain-name-with-shiny-server/"> R – R-statistics blog</a></strong>, and kindly contributed to <a rel="nofollow" href="https://www.r-bloggers.com/">R-bloggers)</a> </div>
<p><em><strong>Guest post by AVNER KANTOR</strong></em></p>
<p>I used the <a target="_blank" rel="nofollow" href="http://deanattali.com/2015/05/09/setup-rstudio-shiny-server-digital-ocean">wonderful tutorial</a> of Dean Attall to set my machine in Google cloud. After I finished to configure it successfully I wanted to redirect my domain to the Shiny application URL. This is a short description how you can do it.</p>
<p><span></span></p>
<p>The first step is changing the domain server to your server supplier. <a target="_blank" rel="nofollow" href="https://www.digitalocean.com/community/tutorials/how-to-point-to-digitalocean-nameservers-from-common-domain-registrars">You can find here a guide for several suppliers</a> how to do it. I used Godaddy and Google Cloud DNS:</p>
<ul>
<li>ns-cloud-b1.googledomains.com</li>
<li>ns-cloud-b2.googledomains.com</li>
<li>ns-cloud-b3.googledomains.com</li>
<li>ns-cloud-b4.googledomains.com</li>
</ul>
<p>The tricky part is the setting up Nginx virtual hosts. The <a target="_blank" rel="nofollow" href="https://www.digitalocean.com/community/tutorials/how-to-set-up-nginx-server-blocks-virtual-hosts-on-ubuntu-16-04">DigitalOcean tutorial</a> helped me again.</p>
<p>We will create virtual hosts in <code>etc/nginx/sites-available</code>. In this directory you can find the <code>default</code> file you created when you set the environment (<a target="_blank" rel="nofollow" href="https://gist.github.com/avnerkantor/77aba4a34dddea8e6768caaceac8b0ee">here is my file</a>). Now you should add config file named after you domain name. Let’s assume it is <code>example.com</code>. Here is the config file you should have:</p>
<pre><code>$ sudo nano /etc/nginx/sites-available/example.com</code></pre>
<pre><code>server {
  listen 80;
  listen [::]:80;
  root /var/www/html;

  server_name example.com www.example.com;

  location / {
    proxy_pass http://127.0.0.1:3838/example/;
    proxy_http_version 1.1;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection &quot;upgrade&quot;;
  }
}</code></pre>
<p>It’s important to check that default_server option is only enabled in a single active file – in our case: <code>deafult</code>. You can do it by <code>grep -R default_server /etc/nginx/sites-enabled/</code>.</p>
<p>In order to enable the server block we will create symbolic links from these files to the sites-enabled directory, which Nginx reads from during startup.</p>
<pre><code>$ sudo ln -s /etc/nginx/sites-available/example.com /etc/nginx/sites-enabled/</code></pre>
<p>If no problems were found, restart Nginx to enable your changes:</p>
<pre><code>sudo systemctl restart nginx</code></pre>
<p>Now that you are all set up, you should test that your server blocks are functioning correctly. You can do that by visiting the domains in your web browser: <code>http://example.com</code>.</p>
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