LEGO works great for this kind of thing. If you want to try with a localcert.net domain, the instructions are here: https://docs.getlocalcert.net/acme-clients/l

LEGO works great for this kind of thing. If you want to try with a localcert.net domain, the instructions are here: https://docs.getlocalcert.net/acme-clients/lego/ https://docs.getlocalcert.net/acme-clients/lego/