Nginx Rails app configuration

myapp.conf

upstream unicorn-myapp { server 127.0.0.1:3000; }

server {
  server_name myapp.com;
  rewrite ^(.*) http://www.myapp.com$1 permanent;
}

server {
  listen *:80;
  server_name www.myapp.com;
  root /var/www/sites/myapp/current/public;
  access_log /var/www/sites/myapp/shared/log/access.log;
  error_log /var/www/sites/myapp/shared/log/error.log;

  proxy_set_header X-Real-IP  $remote_addr;
  proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
  proxy_set_header Host $http_host;
  proxy_hide_header X-Runtime;
  proxy_redirect off;

  try_files $uri @rails;
  location @rails { proxy_pass http://unicorn-myapp; }
  location @rails_expiry { expires 1y; proxy_pass http://unicorn-myapp; }

  location ~ ^/(images|javascripts|stylesheets)/  { try_files $uri @rails_expiry; }
}

nginx.conf

user www www;
worker_processes 4;

error_log /var/www/log/nginx/error.log;

events {
  worker_connections 1024;
}

http {
  access_log /var/www/log/nginx/access.log;

  include mime.types;
  default_type application/octet-stream;

  server_tokens off;

  sendfile on;

  tcp_nopush on;
  tcp_nodelay off;

  keepalive_timeout 65;

  client_max_body_size 20m;

  gzip on;
  gzip_comp_level 2;
  gzip_proxied any;
  gzip_vary on;
  gzip_types text/plain text/css application/javascript application/x-javascript text/xml application/xml application/rss+xml text/javascript application/json;

  include /usr/local/nginx/sites-enabled/*;
}

The app is hosted at /var/www/sites/myapp/current (or at a location symlinked to this). The root is the public directory within the Rails app.