I have AWS instances (behind a load balancer) serving a Node.js / Express app for mobile clients. I would like to enable SSL for the API calls on this app. There are multiple tutorials on how to enhance my Express app to use SSL, but can can folks advise please what should be the ELB configuration in such a scenario?
Should I have the ELB listeners (both load-balancer side as well as instance-side) to be http (not https)? And then make the Node.js app use a certificate from say LetsEncrypt?
Or should I instead have the load balancer be https based (and thus have its own associated certificate from AWS Certificate Manager)? In that case, what happens to the LetsEncrypt certificate - do I still integrate that with the Node.js app?
Many thanks!
via vikram17000
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