forgeplus-react/server/index.js

import express from "express";
import path from "path";
import { getDomObj } from "./window"
import { render } from "./render";
import { url, zoneUrl } from "../src/ssrUrl";
const { createProxyMiddleware } = require('http-proxy-middleware');
import Logger from "./log";

// 转发的后端服务的端口
const rubyPort = process.env.PORT || 8081

const app = express();
app.use('/build', express.static('build'));

const options = (target) => {
  return {
    target: target,
    changeOrigin: process.env.NODE_ENV === 'dev' ? true : false, // 服务器不允许在请求头中更改主机
    timeout: 30000,
    secure: process.env.NODE_ENV === 'dev' ? false : true, // 忽略证书验证
    onProxyRes: (proxyRes, req, res) => {
      // 代理成功后输出日志
      Logger.info(`Proxy to ${req.url} responded with status ${proxyRes.statusCode}`);
    },
    onError: (err, req, res) => {
      // 代理过程中出错时输出日志
      Logger.error(`Error proxying ${req.url}:`, err.message);
      res.status(500).send('Proxy error');
    },
  };
}

let proxy

if (process.env.NODE_ENV === 'dev') {
  // 本地调试用设置代理
  proxy = createProxyMiddleware(options(url));
  app.use(['/api/zone', '/api/cms'], (req, res) => {
    const proxy = createProxyMiddleware(options(zoneUrl));
    proxy(req, res);
  });
  app.use(['/api', '/images', '/system', '/favicon', '/robots.txt', '/sitemap*.xml', '/sitemap*.txt', '/favicon.ico', '/admins', '/assets', '/attachments', '/oauth', '/settings'], (req, res) => {
    proxy(req, res);
  });
} else {
  proxy = createProxyMiddleware(options(`http://localhost:${ rubyPort }`));
  // 设置代理
  app.use(['/api', '/admins', '/attachments', '/oauth', '/competitions', '/projects', '/auth', '/settings'], (req, res) => {
    proxy(req, res);
  });
}



// 匹配路径，匹配到的返回处理后的html，没匹配到转发到后端
app.get('*',async function (req,res) {
  global.domObj = getDomObj()
  const renderHead = await render(req,res)
  if (!renderHead) {
    proxy(req, res);
  }
})

const port = 3000

console.log(`\n==> 🌎  Listening on port ${port}. Open up http://localhost:${port}/ in your browser.\n`)
app.listen(port, '0.0.0.0');