nginx.conf

worker_processes 4;
error_log  /var/log/nginx/error.log info;
pid        /var/run/nginx.pid;

events {
    worker_connections  1024;
}

http {

  sendfile on;
  sendfile_max_chunk 1m;
  tcp_nopush on;
  tcp_nodelay on;
  keepalive_timeout 65;

  gzip on;

  server {
    listen 8843;
    root /mnt/videos;

    add_header 'Access-Control-Allow-Origin' '*' always;
        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS' always;
        add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range' always;
        add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range' always;     

    location /videos {
      autoindex on;
      alias /mnt/videos;

      location ~* \.(ico|css|js|gif|jpeg|jpg|png|svg|webp)$ {
        add_header Cache-Control "public";
        expires 30d;
    }
      location ~* \.(mkv)$ {
        add_header X-Content-Type-Options "nosniff";
        add_header Content-Type "video/webm";
        add_header 'Access-Control-Allow-Origin' '*' always;
        add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS' always;
        add_header 'Access-Control-Allow-Headers' 'DNT,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,Range' always;
        add_header 'Access-Control-Expose-Headers' 'Content-Length,Content-Range' always;     

    }
    }
}
}