Why terminate TLS at nginx instead of in Node?
PICTURE THIS: A REST CALL
Simple meaning
nginx handles certificates, HTTP/2, and cipher suites efficiently and keeps Node focused on application code.
WHY — nginx instead of guessing?
Why interviewers care about nginx:
on nginx.
the situation, the default choice, and one exception - that reads as experience.
Name the idea, why it exists, then one short example.
End with when you use it and one common pitfall.
STEPS — What happens step by step?
Before you speak the answer, walk the interviewer through these steps:
- 1nginx handles certificates, HTTP/2,
and cipher suites efficiently and keeps Node focused on application code.
- 2Upstream connections to Express
can stay on the private network.
- 3Certificate renewal with ACME
also fits the proxy layer cleanly.
- 4Give an example
One tiny concrete case you can say aloud.
- 5Common mistake
What juniors usually get wrong.
- 6Close
When you pick this over the alternative.
EXAMPLE — See it in action
Here's a short line you can speak, broken into clear beats:
Note: Adapt this scaffold to your own project — keep it under 60–90 seconds.
Key takeaway
nginx handles certificates, HTTP/2, and cipher suites efficiently and keeps Node focused on application code. Upstream connections to Express can stay on the private network.