mosquitto.conf
# mqtt协议
port xxxx
protocol mqtt
# websocket协议
listener xxxx
protocol websockets
nginx（ws或wss）
location /mqtt
{
proxy_pass http://127.0.0.1:xxxx; #address of home assistant machine
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "upgrade";
}
参考资料
