worker_processes      2;
error_log             ./nginx.error.log;
worker_rlimit_nofile  8192;
pid                   nginx.pid;

events {
  worker_connections  1024;
  multi_accept        on;
}

http {

  access_log  off;
  charset UTF-8;

  types {
    text/html                             html htm shtml;
    text/css                              css;
    text/xml                              xml rss;
    image/gif                             gif;
    image/jpeg                            jpeg jpg;
    application/x-javascript              js;
    text/plain                            txt;
    image/png                             png;
    image/svg+xml                         svg;
    image/x-icon                          ico;
    application/pdf                       pdf;
    text/cache-manifest                   appcache;
  }

  # ----------------------------------------------------------------------
  # | Compression                                                        |
  # ----------------------------------------------------------------------

  # https://nginx.org/en/docs/http/ngx_http_gzip_module.html
  brotli on;
  brotli_static on;
  brotli_types *;
  brotli_min_length 256;
  # Enable gzip compression.
  # Default: off
  gzip on;

  # Compression level (1-9).
  # 5 is a perfect compromise between size and CPU usage, offering about
  # 75% reduction for most ASCII files (almost identical to level 9).
  # Default: 1
  gzip_comp_level 5;

  # Don't compress anything that's already small and unlikely to shrink much
  # if at all (the default is 20 bytes, which is bad as that usually leads to
  # larger files after gzipping).
  # Default: 20
  gzip_min_length 256;

  # Compress data even for clients that are connecting to us via proxies,
  # identified by the "Via" header (required for CloudFront).
  # Default: off
  gzip_proxied any;

  # Tell proxies to cache both the gzipped and regular version of a resource
  # whenever the client's Accept-Encoding capabilities header varies;
  # Avoids the issue where a non-gzip capable client (which is extremely rare
  # today) would display gibberish if their proxy gave them the gzipped version.
  # Default: off
  gzip_vary on;

  # Compress all output labeled with one of the following MIME-types.
  # text/html is always compressed by gzip module.
  # Default: text/html
  gzip_types
    application/atom+xml
    application/javascript
    application/json
    application/ld+json
    application/manifest+json
    application/rss+xml
    application/geo+json
    application/vnd.ms-fontobject
    application/x-font-ttf
    application/x-web-app-manifest+json
    application/xhtml+xml
    application/xml
    application/rdf+xml
    font/collection
    font/opentype
    font/otf
    font/ttf
    image/bmp
    image/svg+xml
    image/x-icon
    text/cache-manifest
    text/css
    text/javascript
    text/plain
    text/vcard
    text/vnd.rim.location.xloc
    text/vtt
    text/x-component
    text/x-cross-domain-policy;

  # This should be turned on if you are going to have pre-compressed copies (.gz) of
  # static files available. If not it should be left off as it will cause extra I/O
  # for the check. It is best if you enable this in a location{} block for
  # a specific directory, or on an individual server{} level.
  # gzip_static on;

  server {
    listen       3301;
    server_name  localhost;
    root   ./build/;
    index  index.html;

    location ~* \.(?:manifest|appcache|html?|xml|json|css|js|map|jpg|jpeg|gif|png|ico|svg|eot|ttf|woff|woff2)$ {
            expires -1;
            add_header Access-Control-Allow-Origin *;
            add_header Access-Control-Allow-Credentials true;
            add_header Access-Control-Allow-Methods 'GET, POST, OPTIONS';
            add_header Access-Control-Allow-Headers 'DNT,X-CustomHeader,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type';
            access_log  off;
    }

    location / {
      try_files $uri $uri/ /index.html =404;
    }
    location /iframe.html {
      try_files $uri $uri/ /iframe.html =404;
    }
  }
}