当请求具有随机URL时，nginx反向代理后面的Node.js服务器不使用'*'获取路径提供文件（example.com/random）

Question

我正在尝试让我的服务器使用node.js'*'路径为任意随机url参数提供index.html服务，但是仅当我访问没有url参数的站点时才使用它（示例.com）。如果我转到example.com/random，它将发送回“ cannot GET / random”

但是，当我在本地计算机上运行它时，它工作得很好。但是，当它在我的Nginx反向代理后面的服务器上运行时，它不起作用。

非常感谢您的帮助，这真的让我感到困惑。

以下是我的server.js和nginx默认配置文件的相关部分：

#HTTP - redirect all traffic to HTTPS
server {
        listen 80;
        listen [::]:80 default_server;
        server_name northernreachnh.com;

        return 302 https://$server_name$request_uri;
}

server {
    listen 443 ssl http2;
    listen [::]:443 ssl http2;

        location / {
                    proxy_pass "http://localhost:8080/";
                    proxy_http_version 1.1;
                    proxy_set_header Upgrade $http_upgrade;
                    proxy_set_header Connection 'upgrade';
                    proxy_set_header Host $host;
                    proxy_cache_bypass $http_upgrade;
 }

const express = require('express');
const app = express();
const nodemailer = require('nodemailer');

const port = process.env.PORT || 8080;
const bodyParser = require('body-parser');

app.use(bodyParser.urlencoded({extended: true}));

app.use(express.static('public'));

 app.get ('*', (req, res) => {
   res.sendFile(__dirname + '/index.html');
 });

 app.get ('/', (req, res) => {
     res.sendFile(__dirname + '/index.html');
 });

// POST route from contact form
app.post('/contact', (req, res) => {

  // Instantiate the SMTP server
  const smtpTrans = nodemailer.createTransport({
    host: 'xxxxxxx',
    port: xxx,
    auth: {
      user: `xxxxx`,
      pass: `xxxxx`
    }
  });

  // Specify what the email will look like
  const mailOpts = {
    from: 'Your sender info here', // This is ignored by Gmail
    to: `xxxxx`,
    subject: 'New message from contact form',
    text: `${req.body.name} (${req.body.tel}) says: ${req.body.email}`
  };

  // Attempt to send the email
  smtpTrans.sendMail(mailOpts, (error, response) => {
    if (error) {
      res.sendFile(__dirname + '/error.html'); // Show a page indicating failure
    }
    else {
      res.sendFile(__dirname + '/success.html'); // Show a page indicating success
    }
  });
});

app.listen(port, () => {
  console.log("Server listening on Port 8080");
});