Sample Nginx Configuration for Unicorn

nginx.conf

#user nobody;
worker_processes 1;

error_log /usr/local/etc/nginx/logs/error.log;
#error_log logs/error.log  notice;
#error_log logs/error.log  info;

pid /usr/local/etc/nginx/logs/nginx.pid;


events {
    worker_connections 1024;
}


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

    log_format main '$remote_addr - $remote_user [$time_local] "$request" '
      '$status $body_bytes_sent "$http_referer" '
      '"$http_user_agent" "$http_x_forwarded_for"';

    access_log /usr/local/etc/nginx/logs/access.log main;

    # enable directory listing
    autoindex on;

    # no sendfile on OS X
    sendfile on;

    # these are good default values
    tcp_nopush on;
    tcp_nodelay off;

    #keepalive_timeout 0;
    keepalive_timeout 65;

    # passenger_root /Users/joelam/.rvm/gems/ruby-1.9.2-p290@global/gems/passenger-3.0.9;
    # passenger_ruby /Users/joelam/.rvm/wrappers/ruby-1.9.2-p290@global/ruby;

    # output compression saves bandwidth
    # gzip on;
    # gzip_http_version 1.0;
    # gzip_comp_level 2;
    # gzip_proxied any;
    # gzip_types text/plain text/css application/x-javascript text/xml application/xml application/xml+rss text/javascript;

    # server files (aka. VirtualHosts)
    include /usr/local/etc/nginx/sites-enabled/*;

}

tabs_unicorn.config

upstream tabs {
  server unix:/Users/joelam/Products/tabs/tmp/sockets/unicorn.sock fail_timeout=0;
}

server {
  listen 80;

  client_max_body_size 4G;
  server_name tabs.joelam.dev;

  # ~2 seconds is often enough for most folks to parse HTML/CSS and
  # retrieve needed images/icons/frames, connections are cheap in
  # nginx so increasing this is generally safe...
  keepalive_timeout 5;

  # path to static files
  root /Users/joelam/Products/tabs/public;

  # Prefer to serve static files directly from nginx to avoid unnecessary
  # data copies from the application server.
  #
  # try_files directive appeared in in nginx 0.7.27 and has stabilized
  # over time.  Older versions of nginx (e.g. 0.6.x) requires
  # "if (!-f $request_filename)" which was less efficient:
  # http://bogomips.org/unicorn.git/tree/examples/nginx.conf?id=v3.3.1#n127
  try_files $uri/index.html $uri.html $uri @app;

  access_log /Users/joelam/Products/tabs/log/access.log;
  error_log /Users/joelam/Products/tabs/log/error.log;

  location / {
    # an HTTP header important enough to have its own Wikipedia entry:
    #   http://en.wikipedia.org/wiki/X-Forwarded-For
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

    # enable this if and only if you use HTTPS, this helps Rack
    # set the proper protocol for doing redirects:
    # proxy_set_header X-Forwarded-Proto https;

    # pass the Host: header from the client right along so redirects
    # can be set properly within the Rack application
    proxy_set_header Host $http_host;

    # we don't want nginx trying to do something clever with
    # redirects, we set the Host: header above already.
    proxy_redirect off;

    # set "proxy_buffering off" *only* for Rainbows! when doing
    # Comet/long-poll/streaming.  It's also safe to set if you're using
    # only serving fast clients with Unicorn + nginx, but not slow
    # clients.  You normally want nginx to buffer responses to slow
    # clients, even with Rails 3.1 streaming because otherwise a slow
    # client can become a bottleneck of Unicorn.
    #
    # The Rack application may also set "X-Accel-Buffering (yes|no)"
    # in the response headers do disable/enable buffering on a
    # per-response basis.
    # proxy_buffering off;

    proxy_pass http://tabs;
  }

  # Rails error pages
  error_page 500 502 503 504 /500.html;
  location = /500.html {
    root /path/to/app/current/public;
  }

  # if assets are precompiled, and you want nginx to serve them
  # directly
  location ~ ^/(_assets)/ {
    root /home/deploy/Projects/Vitrue/tabs/public;
    expires max;
    add_header Cache-Control public;
  }

  # location ~* \.(ico|css|js|gif|jpe?g|png)(\?[0-9]+)?$ {
  #   expires 1y;
  # }
}

server {
  listen 443;

  client_max_body_size 4G;
  server_name tabs.joelam.dev;

  # ~2 seconds is often enough for most folks to parse HTML/CSS and
  # retrieve needed images/icons/frames, connections are cheap in
  # nginx so increasing this is generally safe...
  keepalive_timeout 5;

  # path to static files
  root /Users/joelam/Products/tabs/public;

  # Prefer to serve static files directly from nginx to avoid unnecessary
  # data copies from the application server.
  #
  # try_files directive appeared in in nginx 0.7.27 and has stabilized
  # over time.  Older versions of nginx (e.g. 0.6.x) requires
  # "if (!-f $request_filename)" which was less efficient:
  # http://bogomips.org/unicorn.git/tree/examples/nginx.conf?id=v3.3.1#n127
  try_files $uri/index.html $uri.html $uri @app;

  access_log /Users/joelam/Products/tabs/log/access.log;
  error_log /Users/joelam/Products/tabs/log/error.log;

  # https settings
  ssl on;
  ssl_certificate /usr/local/etc/nginx/conf/tabs.crt;
  ssl_certificate_key /usr/local/etc/nginx/conf/tabs.key;

  location / {
    # enable this if and only if you use HTTPS, this helps Rack
    # set the proper protocol for doing redirects:
    proxy_set_header X-Forwarded-Proto https;

    # an HTTP header important enough to have its own Wikipedia entry:
    #   http://en.wikipedia.org/wiki/X-Forwarded-For
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

    # pass the Host: header from the client right along so redirects
    # can be set properly within the Rack application
    proxy_set_header Host $http_host;

    # we don't want nginx trying to do something clever with
    # redirects, we set the Host: header above already.
    proxy_redirect off;

    # set "proxy_buffering off" *only* for Rainbows! when doing
    # Comet/long-poll/streaming.  It's also safe to set if you're using
    # only serving fast clients with Unicorn + nginx, but not slow
    # clients.  You normally want nginx to buffer responses to slow
    # clients, even with Rails 3.1 streaming because otherwise a slow
    # client can become a bottleneck of Unicorn.
    #
    # The Rack application may also set "X-Accel-Buffering (yes|no)"
    # in the response headers do disable/enable buffering on a
    # per-response basis.
    # proxy_buffering off;

    proxy_pass http://tabs;
  }

  # Rails error pages
  error_page 500 502 503 504 /500.html;
  location = /500.html {
    root /path/to/app/current/public;
  }

  location ~ ^/(_assets)/ {
    root /home/deploy/Projects/Vitrue/tabs/public;
    expires max;
    add_header Cache-Control public;
  }

  # location ~* \.(ico|css|js|gif|jpe?g|png)(\?[0-9]+)?$ {
  #   expires 1y;
  # }
}