re: Dockerized PHP application with SSL VIEW POST

FULL DISCUSSION
 

Let's Encrypt more or less assumes you're going to automate renewal since their certs are only good for 90 days. They have an officially-supported tool but numerous others exist since there's a well-defined protocol for renewing certificates (ACME); check their website for a list.

I wouldn't call myself a security expert but as far as I'm aware you only need one certificate covering communications with users and won't stand to gain much by adding SSL between nodes in your cluster.

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