Securing multiple subdomains with HTTPS can be a hassle, but wildcard certificates simplify the process. This guide highlights how acme.sh, a lightweight ACME client, automates the generation and renewal of free wildcard certificates from Let's Encrypt. The tool supports multiple DNS providers and is ideal for DevOps engineers and indie hackers managing diverse web services. While the original post is a step-by-step tutorial, our coverage focuses on the broader workflow and best practices, such as using DNS-01 challenges for validation. This approach ensures your infrastructure remains secure without manual intervention. For developers seeking to streamline SSL management, acme.sh offers a reliable, scriptable solution that integrates with cron jobs. The topic is evergreen, as HTTPS is a fundamental requirement for modern web applications.
Learn how to generate free HTTPS wildcard certificates using acme.sh, a popular ACME client. This guide covers the process for securing multiple subdomains with Let's Encrypt.