CoreOS Container Linux supports custom Certificate Authorities (CAs) in addition to the default list of trusted CAs. Adding your own CA allows you to:
The setup process for any of these use-cases is the same:
Copy the PEM-encoded certificate authority file (usually with a
.pem file name extension) to
update-ca-certificates script to update the system bundle of Certificate Authorities. All programs running on the system will now trust the added CA.