Varnish - Nginx - Unicorn Setup

app

upstream unicorn {
  server unix:/tmp/unicorn.app.sock fail_timeout=0;
}

# HTTP server
#
server {

  listen localhost:8080;
  server_name app.me;
  root /home/ubuntu/www/app/public;

  access_log /home/ubuntu/www/app/log/access.log;
  error_log /home/ubuntu/www/app/log/error.log;

  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;
    proxy_connect_timeout 300;
    proxy_read_timeout 300;
  }

  gzip              on;
  gzip_http_version 1.0;
  gzip_disable      "MSIE [1-6]\.(?!.*SV1)";
  gzip_buffers    4 16k;
  gzip_comp_level 2;
  gzip_min_length 0;
  gzip_types    text/plain text/css application/x-javascript text/xml application/xml application/xml+rss text/javascript;
  gzip_proxied  expired no-cache no-store private auth;

  error_page 500 502 503 504 /500.html;
  client_max_body_size 4G;
  keepalive_timeout 10;
}

# HTTPS server
#
server {
    listen 443;
    server_name  app.me;
    root /home/ubuntu/www/app/public;

    access_log /home/ubuntu/www/app/log/access.log;
    error_log /home/ubuntu/www/app/log/error.log;

    ssl on;
    ssl_certificate /home/ubuntu/www/app.crt;
    ssl_certificate_key /home/ubuntu/www/app.key;
    ssl_ciphers           ALL:-ADH:+HIGH:+MEDIUM:-LOW:-SSLv2:-EXP;
    ssl_session_cache     shared:SSL:10m;

    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-Real-IP       $remote_addr;
      proxy_set_header  X-Forwarded-For $proxy_add_x_forwarded_for;
      proxy_set_header  X-Forwarded-Proto https;
      proxy_set_header  Host $http_host;
      proxy_redirect    off;
      proxy_pass        http://unicorn;
      proxy_connect_timeout 300;
      proxy_read_timeout 300;
    }

    error_page 500 502 503 504 /500.html;
    client_max_body_size 4G;
    keepalive_timeout 10;
}

nginx.conf

worker_processes  1;
events {
    worker_connections  1024;
}
 
http {
    include       mime.types;
    default_type  application/octet-stream;
    keepalive_timeout  65;
    server_tokens off;
 
server {
    listen localhost:8080;
 
    location / {
     proxy_pass  http://<<<< ELB DNS adresi >>>>;
     proxy_set_header Host $http_host;
 
   }
 }
}