nodejs deployment on aws EC2 issue - amazon-web-services

Question

I try to deploy a simple nodejs app on AWS EC2 server by docker, the server does not respond but the app runs correctly as expected on the local machine by
docker-compose up -d --build
index.js
require("dotenv").config();
const express = require("express");
const app = express();
app.use("/api", (req, res) => {
res.status(200).send("Test Deployment");
});
const port = process.env.PORT;
app.listen(port, () => {
console.log("server runs on port =", port);
});
Dockerfile
FROM node:18.13-alpine
WORKDIR /app
COPY package.json .
RUN npm install --only=production;
COPY . .
EXPOSE 3000
CMD ["npm", "run", "start"]
docker-compose.yml
version: "3"
services:
backend:
container_name: backend
ports:
- "3000:3000"
build: .
environment:
PORT: "3000"
command: npm run start
backend container logs on server
test-docker$ docker logs backend -f
> test-node#1.0.0 start
> node .
server runs on port = 3000