designate: support for Openstack Application Credentials (#1360)
Let's Encrypt client and ACME library written in Go.
lego introduced support for ACME v2 in v1.0.0. If you still need to utilize ACME v1, you can do so by using the v0.5.0 version.
How to install.
Documentation is hosted live at https://go-acme.github.io/lego/.
Detailed documentation is available here.