nginx for rails

nginx-rails

upstream staging_backend {
  server unix:///home/ubuntu/<SOMETHING>/shared/tmp/sockets/puma.sock fail_timeout=0;
}

# no server_name, routes to default this default server directive
server {
  listen 80;
  client_max_body_size 10m;

  location / {
    proxy_pass http://staging_backend;
    proxy_redirect off;
    proxy_set_header   Host             \$host;
    proxy_set_header   X-Real-IP        \$remote_addr;
    proxy_set_header   X-Forwarded-For  \$proxy_add_x_forwarded_for;
    proxy_pass_request_headers      on;
  }

  location ~ ^/(assets|packs)/ {
    root /home/ubuntu/<SOMETHING>/current/public;
    expires max;
    add_header Cache-Control public;
    gzip_static on;
    #add_header ETag "";
    break;
  }
}