lego Sebastian Erhart

Lego is an ACME client and library written in Go designed to automate certificate management using Let's Encrypt. It provides a robust implementation of the ACME v2 protocol (RFC 8555) to obtain, renew, and revoke certificates for secure HTTPS deployments.

Key Features:

• ACME v2 Support: Implements the latest ACME specifications to handle certificate lifecycle operations.
• DNS Challenge Extension: Supports RFC 8737 for TLS Application-Layer Protocol Negotiation (ALPN).
• IP Address Certificates: Complies with RFC 8738 for certificates issued to IP addresses.
• Renewal Information Extension: Implements draft-ietf-acme-ari-03 for certificate renewals.
• Profiles Extension Support: Aligns with draft-aaron-acme-profiles-00 for standardized ACME profiles.
• Multi-Domain Support: Manages SAN certificates and CNAME records by default.
• DNS Provider Integration: Supports over 150 DNS providers, including major services like Cloudflare, AWS Route 53, and Google Cloud DNS.
• Custom Challenge Solvers: Allows implementation of custom solvers for specific use cases.
• Certificate Bundling and OCSP Helper Functions: Simplifies certificate management and validation processes.

Audience & Benefit:

Ideal for developers, DevOps engineers, and organizations seeking seamless HTTPS deployment. Lego enables secure, automated certificate management to enhance service reliability and security without manual intervention. It can be installed via winget, ensuring easy setup in development environments.