map $http_upgrade $connection_upgrade {
    default upgrade;
    ''      close;
}

server {
    listen 80 default_server;
    proxy_buffering off;
    location / {
        proxy_pass http://homeassistant-app:80;
        proxy_set_header Host $host;
        proxy_http_version 1.1;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;
    }


}