Let's Encrypt client and ACME library written in Go.
Features
- ACME v2 RFC 8555
- Register with CA
- Obtain certificates, both from scratch or with an existing CSR
- Renew certificates
- Revoke certificates
- Robust implementation of all ACME challenges
- HTTP (http-01)
- DNS (dns-01)
- TLS (tls-alpn-01)
- SAN certificate support
- Comes with multiple optional DNS providers
- Custom challenge solvers
- Certificate bundling
- OCSP helper function
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.
Installation
How to install.
Usage
Documentation
Documentation is hosted live at https://go-acme.github.io/lego/.
DNS providers
Detailed documentation is available here.
If your DNS provider is not supported, please open an issue.
