/usr/share/hassio/homeassistant/configuration.yaml
http:
ssl_certificate: /ssl/cert.pem
ssl_key: /ssl/privkey.pem
cp -v /etc/letsencrypt/archive/ipnetcat.ddns.net/cert1.pem /usr/share/hassio/ssl/cert.pem
cp -v /etc/letsencrypt/archive/ipnetcat.ddns.net/privkey1.pem /usr/share/hassio/ssl/privkey.pem
docker restart hassio_supervisor
docker restart homeassistant