prod-nginx-site.conf

# Expires map
map $sent_http_content_type $expires {
    default                    off;
    text/html                  epoch;
    text/css                   max;
    application/javascript     max;
    ~image/                    max;
    ~font                      max;
    ~font-woff                 max;
    application/octet-stream   max;
}

server {
    listen       80 default_server;
    server_name  _;

    #charset koi8-r;
    #access_log  /var/log/nginx/host.access.log  main;

    root  /usr/share/nginx/html;
    index /learn/index.html;

    # Try to find the static asset, if not found, try the backend (to at least get a pretty error page)
    location /learn-en/assets/ {

        expires $expires;

        try_files $uri @spfbackend;

        set $cors '';
        if ($http_origin ~ '^https?://(localhost|exlskills\.com|exlskillsqa\.com)') {
            set $cors 'true';
        }

        if ($cors = 'true') {
            add_header 'Access-Control-Allow-Origin' "$http_origin" always;
            add_header 'Access-Control-Allow-Credentials' 'true' always;
            add_header 'Access-Control-Allow-Methods' 'GET, OPTIONS' always;
            add_header 'Access-Control-Allow-Headers' 'Accept,Authorization,Cache-Control,Content-Type,DNT,If-Modified-Since,Keep-Alive,Origin,User-Agent,X-Requested-With' always;
        }

        if ($request_method = 'OPTIONS') {
            # Tell client that this pre-flight info is valid for 20 days
            add_header 'Access-Control-Max-Age' 1728000;
            add_header 'Content-Type' 'text/plain charset=UTF-8';
            add_header 'Content-Length' 0;
            return 204;
        }

    }

    location / {
        proxy_pass_request_headers      on;
        proxy_pass                      http://localhost:3000;
    }

    location @spfbackend {
        proxy_pass_request_headers      on;
        proxy_pass                      http://localhost:3000;
    }

    #error_page  404              /404.html;

    # redirect server error pages to the static page /50x.html
    #
    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }

    # proxy the PHP scripts to Apache listening on 127.0.0.1:80
    #
    #location ~ \.php$ {
    #    proxy_pass   http://127.0.0.1;
    #}

    # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
    #
    #location ~ \.php$ {
    #    root           html;
    #    fastcgi_pass   127.0.0.1:9000;
    #    fastcgi_index  index.php;
    #    fastcgi_param  SCRIPT_FILENAME  /scripts$fastcgi_script_name;
    #    include        fastcgi_params;
    #}

    # deny access to .htaccess files, if Apache's document root
    # concurs with nginx's one
    #
    location ~ /\.ht {
        deny  all;
    }
}