2 files in one command Create SSL for wildcard domain selfsigned

https://gist.github.com/dasgoll/5c7c02f363e7aeaff2837d650d985cc7 EX: *.ccdd.com

openssl req  -subj "/C=cd/CN=*.ccdd.com" -x509 -nodes -days 365 -newkey rsa:2048 -keyout ccdd-wildcard-selfsigned.key -out ccdd-wildcard-selfsigned.crt