Since 2.4.30, Apache comes with experimental support for ACME certificates (Let’s Encrypt et al.) in the form of mod_md (short for “managed domains”). It’s kind of a pain but it’s still better than what I had before, i.e. a mess of shell and Perl scripts based on Crypt::LE, and if your use case is limited to Apache, it appears to be simpler than Certbot as well. Unfortunately for me, it’s not very well documented and I wasted a considerable amount of time figuring out how to use it. Fortunately for you, I then decided to blog about it so you don’t have to repeat my mistakes.
Edit: the author of mod_md, Stefan Eissing, got in touch and pointed me to his own documentation, which is far superior to the one available from Apache.
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