I have fixed it with putting my letsencrypt certificate into the ca-bundle.crt (cat /path/to/letsencrypt/cert.pem >> /path/to/resources/certpath/ca-bundle.crt
I have fixed it with putting my letsencrypt certificate into the ca-bundle.crt (cat /path/to/letsencrypt/cert.pem >> /path/to/resources/certpath/ca-bundle.crt