secure-proxy-server.js

const express = require('express');
const https = require('https');
const fs = require('fs');
const proxy = require('http-proxy-middleware');

const app = express();

app.use('/api1', proxy({
    target: 'https://example.com/one-api', 
    changeOrigin: true, 
    secure: true
}));

app.use('/api2', proxy({
    target: 'https://example.com/other-api', 
    changeOrigin: true, 
    secure: true
}));

https.createServer({
    key: fs.readFileSync( './localhost.key' ),
    cert: fs.readFileSync( './localhost.cert' ),
    requestCert: false,
    rejectUnauthorized: false
}, app).listen(8443);