问题：

couldn’t execute POST against https://****/api/v4/runners: Post https://****/api/v4/runners: x509: certificate signed by unknown authority

解决：

参考：

http://www.cnblogs.com/sting2me/p/5596222.html

https://manuals.gfi.com/en/kerio/connect/content/server-configuration/ssl-certificates/adding-trusted-root-certificates-to-the-server-1605.html