Automate public TLS certificate issuance with ACME support in AWS Certificate Manager

If you manage TLS certificates for your applications, you know the challenge: certificates expire, and when they do, your customers see errors or your service goes down. As certificate validity periods get shorter (the Certification Authority (CA)/Browser Forum mandates reduced maximum validity to 100 days starting March 2027, and to 47 days by 2029), manual renewal processes become untenable. Automatic Certificate Management Environment (ACME) is an open protocol for reques