server {
  listen 80; # For Let's Encrypt
  <% if File.exist?(@ssl_cert) && File.exist?(@ssl_key) -%>
  listen 443 ssl http2;
  <% end -%>

  server_name <%= @server_name %>;

  # Used by Let's Encrypt (certbot in webroot mode)
  location /.well-known {
    root "<%= @root_directory %>";
  }

  location / {
    return 200 'Nothing to see here';
    add_header Content-Type text/plain;
  }

  <% if File.exist?(@ssl_cert) && File.exist?(@ssl_key) -%>
  ssl_certificate <%= @ssl_cert %>;
  ssl_certificate_key <%= @ssl_key %>;
  <% end -%>
}