Route 53 Let’s Encrypt wildcard certificate with acme.sh

For wildcard TLS/SSL certificates, the only challenge method Let’s Encrypt accepts is the DNS challenge to authenticate the domain ownership. Therefore, we need to Route53 AWS DNS API to add/modify DNS for our domain. This tutorial explains how to generate a wildcard TLS/SSL certificate using Let’s Encrypt client called acme.sh running on Linux or Unix-like systems.

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