nginx.conf

daemon off;

events {
  worker_connections  4096;
}

http {
  map $http_upgrade $connection_upgrade {
      default upgrade;
      ''      close;
  }

  log_format elb_log '$proxy_protocol_addr - $remote_user [$time_local] ' '"$request" $status $body_bytes_sent "$http_referer" ' '"$http_user_agent"';

  server {
    listen 80 proxy_protocol;
    real_ip_header proxy_protocol;
    set_real_ip_from 0.0.0.0;
    client_max_body_size 4G;
    charset utf-8;
    server_name opsolutely.com www.opsolutely.com test.opsolutely.com localhost;

    server_tokens off;
    access_log /var/log/nginx/nginx.log elb_log;
    add_header P3P 'CP="NON CURa ADMa DEVa PSAa PSDa IVAa IVDa OUR IND COM NAV STA"';

    location /ping {
      access_log off;
      return 200 'ok';
      add_header Content-Type text/plain;
    }

    location /index.html {
        include /etc/nginx/mime.types;
        alias /opt/code/templates;
    }

    location /robots.txt {
        alias /var/www/robots.txt;
        expires 12y;
        log_not_found off;
    }

    # this section is specific to the WebSockets proxying
    location /socket.io {
        include /etc/nginx/mime.types;
        proxy_pass http://127.0.0.1:8000/socket.io;
        proxy_redirect off;
        proxy_buffering off;

        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection "Upgrade";
        proxy_set_header Host $host;
    }

    location / {
        include /etc/nginx/mime.types;
        try_files $uri @proxy_to_app;
    }

    location @proxy_to_app {
        proxy_pass http://127.0.0.1:8000;
    }

    location /static {
        include /etc/nginx/mime.types;
        alias /opt/code/static;
    }

    error_page 500 502 503 504 /500.html;
    location = /500.html {
        include /etc/nginx/mime.types;
        alias /opt/code/templates;
    }
  }
}