examples update and multiple REVERSE_PROXY_* on single site

examples/reverse-proxy-singlesite/docker-compose.yml

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+version: '3'
+
+services:
+
+  myreverse:
+    image: bunkerity/bunkerized-nginx
+    restart: always
+    ports:
+      - 80:8080
+      - 443:8443
+    volumes:
+      - ./letsencrypt:/etc/letsencrypt
+    environment:
+      - SERVER_NAME=www.website.com                          # replace with your domain
+      - SERVE_FILES=no
+      - DISABLE_DEFAULT_SERVER=yes
+      - REDIRECT_HTTP_TO_HTTPS=yes
+      - AUTO_LETS_ENCRYPT=yes
+      - USE_PROXY_CACHE=yes
+      - USE_GZIP=yes
+      - USE_BROTLI=yes
+      - USE_REVERSE_PROXY=yes
+      - REVERSE_PROXY_URL_1=/app1
+      - REVERSE_PROXY_HOST_1=http://app1:3000
+      - REVERSE_PROXY_URL_2=/app2
+      - REVERSE_PROXY_HOST_2=http://app2
+
+  app1:
+    image: node
+    restart: always
+    working_dir: /home/node/app
+    volumes:
+      - ./js-app:/home/node/app
+    environment:
+      - NODE_ENV=production
+    command: bash -c "npm install express && node index.js"
+
+  app2:
+    image: phpmyadmin:apache
+    restart: always
+    environment:
+      - PMA_ARBITRARY=1
+      - PMA_ABSOLUTE_URI=https://www.website.com/app2        # replace with your absolute URI

examples/reverse-proxy-singlesite/js-app/index.js

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+const express = require('express')
+const app = express()
+const port = 3000
+
+app.get('/', (req, res) => {
+  res.send('Hello World!')
+})
+
+app.listen(port, () => {
+  console.log(`Example app listening at http://localhost:${port}`)
+})
+

examples/reverse-proxy-singlesite/js-app/package.json

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+{
+  "name": "js-app",
+  "version": "1.0.0",
+  "description": "demo",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "express": "^4.17.1"
+  }
+}