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  1. .github/
  2. acme/
  3. certcrypto/
  4. certificate/
  5. challenge/
  6. cmd/
  7. docs/
  8. e2e/
  9. internal/
  10. lego/
  11. log/
  12. platform/
  13. providers/
  14. registration/
  15. .dockerignore
  16. .gitcookies.enc
  17. .gitignore
  18. .golangci.toml
  19. .goreleaser.yml
  20. CHANGELOG.md
  21. CONTRIBUTING.md
  22. Dockerfile
  23. go.mod
  24. go.sum
  25. LICENSE
  26. Makefile
  27. README.md
  28. tmpl.Dockerfile
README.md

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 EdgeDNSAlibaba Cloud DNSAmazon LightsailAmazon Route 53
ArvanCloudAurora DNSAutodnsAzure
BindmanBluecatCheckdomainCloudDNS
CloudflareClouDNSCloudXNSConoHa
ConstellixdeSEC.ioDesignate DNSaaS for OpenstackDigital Ocean
DNS Made EasyDNSimpleDNSPodDomain Offensive (do.de)
DomeneshopDreamHostDuck DNSDyn
DynuEasyDNSExoscaleExternal program
Gandi Live DNS (v5)GandiGlesysGo Daddy
Google CloudHetznerHosting.deHTTP request
Hurricane Electric DNSHyperOneInfobloxInfomaniak
Internet Initiative JapanINWXIonosJoker
Joohoi's ACME-DNSLinode (v4)Liquid WebLoopia
LuaDNSManualMyDNS.jpMythicBeasts
Name.comNamecheapNamesiloNetcup
NetlifyNIFCloudNjallaNS1
Open Telekom CloudOracle CloudOVHPorkbun
PowerDNSRackspacereg.ruRFC2136
RimuHostingSakura CloudScalewaySelectel
ServercowSimply.comSonicStackpath
TransIPVegaDNSVersio.[nl/eu/uk]VinylDNS
VscaleVultrWEDOSYandex
Zone.eeZonomi

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