CODEWITHSUNDEEP
node.jsamazon-web-servicessslamazon-elblets-encrypt
vikram17000
vikram17000

Reputation: 453

SSL integration for Node.js app behind AWS ELB

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!

Upvotes: 1

Views: 1244

Answers (1)

Mark B
Mark B

Reputation: 200562

You would enable SSL on the load balancer and use an ACM certificate. You wouldn't need a SSL certificate on the NodeJS server unless you just want the communication between the ELB and the server to also be encrypted.

Upvotes: 3

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