nginx_conf

http {
  upstream backend {
    server 127.0.0.1:8080;
    keepalive 64;
  }
}

vhost_conf

server {
  listen 443 ssl http2;
  listen [::]:443 ssl http2;

  server_name *.ipfs.example.com *.ipns.example.com;

  add_header 'Access-Control-Allow-Origin' '*' always;
  add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS' always;
  add_header 'Access-Control-Allow-Headers' 'X-Requested-With, Range, Content-Range, X-Chunked-Output, X-Stream-Output' always;
  add_header 'Access-Control-Expose-Headers' 'Content-Range, X-Chunked-Output, X-Stream-Output' always;

  add_header X-IPFS-POP $hostname always;

  location / {
    proxy_set_header Host $http_host;
    proxy_set_header X-Forwarded-Proto "https";
    proxy_pass http://backend;
  }
}