Install Ansible using gpg instead of apt-key (which is deprecated)

Hello guys,

Here is the script I used to run to install an

because /root/.gnupg directory doesn't exists when you install GPG's package, but I expected --no-default-keyring...

or

gpg --no-default-keyring --homedir /usr/share/keyrings/ --keyring ansible-archive-keyring.gpg --keyserver keyserver.ubuntu.com --recv-keys 93C4A3FD7BB9C367 

which works but warn me about unsafe rights on directory /usr/share/keyrings

Well... I clearly don't have any idea about what I'm doing wrong, I read gpg's manual page and all those sources :

-
-