Permissions 0777 for Id_rsa are too open

Hi @George,
I need some help with this. If I try to connect to my Hetzner Docker Image with “Host Server SSH” I get the following message and can’t do anything. How can I solve that?

permissions 0777 for '/**/.docker/machine/machines/Hetzner/id_rsa' are too open

Well seems a common issue on a Mac: