A Lightweight ACME Client Written in Go for getting TLS certificates from the Let's Encrypt CA

ACMEgo is a fully compliant RFC 8555 (ACME) implementation written in pure Go. It is lightweight and uses Go’s standard library for simplicity and performance.

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Features

• Tested with Let's Encrypt ACME CA.
• Implements advanced and niche aspects of RFC 8555.
• Supports manual addition of APIs for DNS providers for automated DNS-01 challenge solving.

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Installation

Requirements:

• Go 1.22+
• Ensure the environment variable GO111MODULE=on is set.

From Source

git clone https://github.com/Shishircipher/acmego.git
         cd acmego
         make build
         

Usage

Navigate to the dist directory:

cd dist
         

BE SURE TO: Create the data.json configuration file in the following format:

{
            "email" : "mailto:help@example.com",
            "domain" : "example.com"
          }
          

Run the ACMEgo client:

           ./letsacme
          

Warning ⚠️

For security, restrict access to the .acmego folder.

Ensure the following:

• Backup your account private key (e.g., account.key).
• Prevent unauthorized access to your account private key and domain private key.