使用React Frontend和Node后端部署到GCP App Engine无法通过本地工作在已部署版本上访问api路由

问题描述

我已将网站部署到Google Cloud Platform，并且react（static）部分工作正常，但是每当我转到/ api / mail / send以使用nodemailer时，我都会收到404错误消息，提示找不到该代码或yaml文件中的一些配置，我只是出现500错误。以下是我的yaml，package.json和server.js文件

app.yaml

runtime: nodejs12
env: standard
basic_scaling:
  max_instances: 5
  idle_timeout: 5m
handlers:
  - url: /api/.*
    secure: always
    script: auto
  - url: /
    static_files: client/build/index.html
    upload: client/build/index.html
    secure: always
  - url: /
    static_dir: client/build
    secure: always

Package.json

{
  "name": "mern","version": "1.0.0","description": "","main": "server.js","scripts": {
    "start": "node server.js","dev": "concurrently \"nodemon --ignore 'client/*'\" \"npm run client\"","client": "cd client && npm run start","install": "cd client && npm install","build": "cd client && npm run build"
  },"author": "","license": "ISC","devDependencies": {
    "autoprefixer": "^9.8.6","concurrently": "^5.3.0","husky": "^4.2.5","postcss-cli": "^7.1.1","tailwindcss": "^1.6.2"
  },"dependencies": {
    "if-env": "^1.0.4","axios": "^0.19.2","body-parser": "^1.19.0","classnames": "^2.2.6","dotenv": "^8.2.0","express": "^4.17.1","express-session": "^1.17.1","morgan": "^1.10.0","nodemailer": "^6.4.11"
  }
}

server.js

require('dotenv').config()
const express = require("express");
const morgan = require('morgan');
const routes = require("./routes");
const path = require('path');
const app = express();
const PORT = process.env.PORT || 3001;

// Define middleware here
app.use(morgan('dev'));

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


// Add routes,both API and view
app.use(routes);
// Serve up static assets (usually on heroku)
app.use(express.static("client/build"));

// Start the API server
app.listen(PORT,function() {
  console.log(`?  ==> API Server Now listening on PORT ${PORT}!`);
});

谢谢

解决方法

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deployment google-cloud-platform mern