upstream thin_<%= app_name %>_cluster { <% app_instances.to_i.times do |i| %> server unix:/tmp/thin.<%= app_name %>.<%= i %>.sock;<% end %> } server { listen 80<%= ' default deferred' if default_site %>; server_name <%= domains.join("\n ") %>; root <%= current_path %>/public; try_files $uri/index.html $uri @thin_<%= app_name %>; location @thin_<%= app_name %> { proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $http_host; proxy_redirect off; proxy_pass http://thin_<%= app_name %>_cluster; } location ^~ /assets/ { gzip on; expires max; add_header Cache-Control public; } error_page 500 502 503 504 /500.html; client_max_body_size 4G; }