go/lego
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lego/README.md
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azure: new implementation based on the new API client (#1830) 
Co-authored-by: Fernandez Ludovic <ldez@users.noreply.github.com>
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lego logo

Automatic Certificates and HTTPS for everyone.

Lego

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

Go Reference Build Status Docker Pulls

Features

  • ACME v2 RFC 8555
    • Support RFC 8737: TLS Application‑Layer Protocol Negotiation (ALPN) Challenge Extension
    • Support RFC 8738: certificates for IP addresses
    • Support draft-ietf-acme-ari-01: Renewal Information (ARI) Extension
  • 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
  • CNAME support by default
  • Comes with multiple optional DNS providers
  • Custom challenge solvers
  • Certificate bundling
  • OCSP helper function

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 (deprecated) AzureDNS Bindman Bluecat
Brandit Bunny Checkdomain Civo
CloudDNS Cloudflare ClouDNS CloudXNS
ConoHa Constellix Derak Cloud deSEC.io
Designate DNSaaS for Openstack Digital Ocean DNS Made Easy dnsHome.de
DNSimple DNSPod (deprecated) Domain Offensive (do.de) Domeneshop
DreamHost Duck DNS Dyn Dynu
EasyDNS Efficient IP Epik Exoscale
External program freemyip.com G-Core Labs Gandi Live DNS (v5)
Gandi Glesys Go Daddy Google Cloud
Google Domains 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 Liara Linode (v4)
Liquid Web Loopia LuaDNS Manual
MyDNS.jp MythicBeasts Name.com Namecheap
Namesilo NearlyFreeSpeech.NET Netcup Netlify
Nicmanager NIFCloud Njalla Nodion
NS1 Open Telekom Cloud Oracle Cloud OVH
plesk.com Porkbun PowerDNS Rackspace
RcodeZero reg.ru RFC2136 RimuHosting
Sakura Cloud Scaleway Selectel Servercow
Simply.com Sonic Stackpath Tencent Cloud DNS
TransIP UKFast SafeDNS Ultradns Variomedia
VegaDNS Vercel Versio.[nl/eu/uk] VinylDNS
VK Cloud Vscale Vultr Websupport
WEDOS Yandex Cloud Yandex PDD Zone.ee
Zonomi

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