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

server {
    # Update this line to be your domain
    server_name gw.knob.it;

    # These shouldn't need to be changed
    listen 80 http2; # if your nginx version is >= 1.9.5 you can also add the "http2" flag here
    add_header Strict-Transport-Security "max-age=31536000; includeSubdomains";
    access_log /var/log/nginx/hass.access.log;
    error_log /var/log/nginx/hass.error.log;

    proxy_buffering off;

    location /ha/ {
        proxy_pass http://127.0.0.1:8123;
        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;
    }
}