Moderate Deployment Question 114 of 226

What is a reverse proxy in front of Node?

MERN Full Stack · Speak this in 60–90 seconds · Faridabad & Delhi NCR

PICTURE THIS: STACK VS QUEUE

StackLIFOlast in, first out

QueueFIFOfirst in, first out

Simple meaning

A reverse proxy such as nginx receives public traffic and forwards it to Express.

WHY — Deployment instead of guessing?

Why interviewers care about Deployment:

Deployment questions separate people

who only read docs from people who shipped.

Keep it short, concrete,

and tied to Full Stack work.

Stay structured

Name the idea, why it exists, then one short example.

Close cleanly

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:

1
A reverse proxy such
as nginx receives public traffic and forwards it to Express.
2
It handles TLS, static
files, gzip, and buffering so Node focuses on application logic.
3
Clients talk to port
443, not directly to your Node port.
4
Give an example
One tiny concrete case you can say aloud.
5
Common mistake
What juniors usually get wrong.
6
Close
When you pick this over the alternative.

EXAMPLE — See it in action

Here's a short line you can speak, broken into clear beats:

Say this line

“It handles TLS, static files, gzip, and buffering so Node focuses on application”

Break into beats

IthandlesTLSstaticfilesgzip

Speaking order

2987408337471632900

Note: Adapt this scaffold to your own project — keep it under 60–90 seconds.

Key takeaway

A reverse proxy such as nginx receives public traffic and forwards it to Express. It handles TLS, static files, gzip, and buffering so Node focuses on application logic.