/lego

Let's Encrypt/ACME client and library written in Go

Primary LanguageGoMIT LicenseMIT

lego

Let's Encrypt client and ACME library written in Go.

GoDoc Build Status Docker Pulls

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.
Akamai EdgeDNS Alibaba Cloud DNS all-inkl Amazon Lightsail
Amazon Route 53 ArvanCloud Aurora DNS Autodns
Azure Bindman Bluecat Checkdomain
CloudDNS Cloudflare ClouDNS CloudXNS
ConoHa Constellix deSEC.io Designate DNSaaS for Openstack
Digital Ocean DNS Made Easy DNSimple DNSPod
Domain Offensive (do.de) Domeneshop DreamHost Duck DNS
Dyn Dynu EasyDNS Epik
Exoscale External program freemyip.com G-Core Labs
Gandi Live DNS (v5) Gandi Glesys Go Daddy
Google Cloud Hetzner Hosting.de Hosttech
HTTP request Hurricane Electric DNS HyperOne IBM Cloud (SoftLayer)
IIJ DNS Platform Service Infoblox Infomaniak Internet Initiative Japan
Internet.bs INWX Ionos iwantmyname
Joker Joohoi's ACME-DNS Linode (v4) Liquid Web
Loopia LuaDNS Manual MyDNS.jp
MythicBeasts Name.com Namecheap Namesilo
Netcup Netlify Nicmanager NIFCloud
Njalla NS1 Open Telekom Cloud Oracle Cloud
OVH Porkbun PowerDNS Rackspace
reg.ru RFC2136 RimuHosting Sakura Cloud
Scaleway Selectel Servercow Simply.com
Sonic Stackpath Tencent Cloud DNS TransIP
UKFast SafeDNS VegaDNS Vercel Versio.[nl/eu/uk]
VinylDNS Vscale Vultr WEDOS
Yandex Zone.ee Zonomi

If your DNS provider is not supported, please open an issue.