user nginx;
worker_processes auto;
pid /var/run/nginx.pid;
error_log /dev/stdout info;

events {
  worker_connections 1024;
  # Accept as many connections as possible.
  multi_accept on;
}

http {
    include       /etc/nginx/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 /dev/stdout main;

    sendfile on;
    keepalive_timeout  65;
    gzip  on;

    server {
        listen 443 ssl;

        # The max body size for proxied POST and PUT requests.
        # This is most commonly a problem for file uploads.
        client_max_body_size 20M;

        # Configure SSL Certification Location
        ssl_certificate     /etc/nginx/certs/https-proxy.crt;
        ssl_certificate_key /etc/nginx/certs/https-proxy.key;

        # Activate SSL & Cipher algorithms.
        ssl_session_cache   shared:SSL:10m;
        ssl_session_timeout 10m;
        ssl_protocols  TLSv1 TLSv1.1 TLSv1.2;
        # ssl_ciphers HIGH:!aNULL:!eNULL:!EXPORT:!CAMELLIA:!DES:!MD5:!PSK:!RC4;
        # ssl_prefer_server_ciphers on;

        # Configure gzip compression for responses.
        gzip on;
        gzip_buffers 16 8k;
        gzip_comp_level 6;
        gzip_min_length 1000;
        gzip_proxied any;
        gzip_types
          text/css text/javascript text/plain text/xml
          application/javascript application/json application/hal+json
          application/x-javascript
          application/xml application/xml+rss;
        gzip_vary on;
        gzip_disable "MSIE [1-6]\.(?!.*SV1)";

        location / {
          root /var/www/html/public;
          # The proxy will check from the root for files to meet a given
          # request before proxying along to the node service.
          try_files $uri @service;
        }

        location @service {
            if ($request_method = 'OPTIONS') {
                add_header 'Access-Control-Allow-Origin' "$http_origin";
                add_header 'Access-Control-Allow-Credentials' 'true';
                add_header 'Access-Control-Allow-Methods' 'GET,POST,OPTIONS,PUT,DELETE,PATCH';
                add_header 'Access-Control-Max-Age' 1728000;
                add_header 'Content-Type' 'text/plain charset=UTF-8';
                add_header 'Content-Length' 0;
                return 204;
            }
            proxy_set_header        Host              grass;
            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 $scheme;
            proxy_set_header        X-Forwarded-Host  https-proxy;
            proxy_set_header        X-Forwarded-Port  443;

            proxy_pass http://grass:8080;
        }
    }

    include /etc/nginx/conf.d/*.conf;
}