I use this and it's pretty great. Also it can be highly locked down - run as it's own unprivileged user, with access only to directories served by another webs

I use this and it's pretty great. Also it can be highly locked down - run as it's own unprivileged user, with access only to directories served by another webserver for the ACME handshake, storing certs, and a tightly restricted sudoer to restart the webserver on cert cycle.