user  nginx;
    worker_processes  1;
    error_log  /var/log/nginx/error.log warn;
    pid        /var/run/nginx.pid;
    events {
      worker_connections  1024;
    }
    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  /var/log/nginx/access.log  main;
      sendfile        on;
      keepalive_timeout  65;

      gzip on;
      gzip_types application/javascript text/css;

      server {
        listen       80;
        listen       443 ssl;
        server_name  localhost;
        ssl_certificate /etc/ssl/certs/nginx-selfsigned.crt;
        ssl_certificate_key /etc/ssl/private/nginx-selfsigned.key;
        location / {
          root   /app;
          index  index.html;
          try_files $uri $uri/ /index.html;
        }
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
          root   /usr/share/nginx/html;
        }
      }
    }