upstream unicorn { server unix:/tmp/unicorn.htc.sock fail_timeout=0; } server { listen 80 default deferred; # server_name example.com; root /home/deploy/htc/current/public; location ^~ /assets/ { gzip_static on; expires max; add_header Cache-Control public; } try_files $uri/index.html $uri @unicorn; location @unicorn { proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $http_host; proxy_redirect off; proxy_pass http://unicorn; } error_page 500 502 503 504 /500.html; client_max_body_size 4G; keepalive_timeout 10; }