##
## https://community.home-assistant.io/t/reverse-proxy-using-nginx/196954
##
map $http_upgrade $connection_upgrade {
  default upgrade;
  ''      close;
}

server {
    listen 80;
    server_name ha.sio.win;
    location / { return 301 https://$host$request_uri; }
}

server {
  listen 443 ssl;
  server_name ha.sio.win;
  ssl_dhparam /etc/nginx/ssl/dhparams.pem;

  add_header Strict-Transport-Security "max-age=31536000; includeSubdomains";
  ssl_protocols TLSv1.2;
  ssl_ciphers "EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH:!aNULL:!eNULL:!EXPORT:!DES:!MD5:!PSK:!RC4";
  ssl_prefer_server_ciphers on;
  ssl_session_cache shared:SSL:10m;

  proxy_buffering off;

  location / {
    proxy_pass http://127.0.0.1:8123;
    proxy_set_header Host $host;
    proxy_redirect http:// https://;
    proxy_http_version 1.1;
    proxy_set_header X-Real-IP         $remote_addr;
    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection $connection_upgrade;
  }
}