如何使用 next 在 AWS S3 上托管静态文件？

我来自 Django 背景，其中静态文件主要存储在 S3 上，我试图了解它在 NodeJS 上的工作原理，因为我想将应用程序从 Django/React 迁移到 NodeJS/NextJS/ExpressJS/React。

我不知道如何以及在哪里存储我的静态文件（客户端 js、css、图像）在生产环境中？我想知道如何上传到s3 https://stackoverflow.com/questions/17930204/simple-file-upload-to-s3-using-aws-sdk-and-node-express并管理dynamic因为工作是由用户通过express api完成的，但我正在寻找可以在部署时将所有公共文件批量上传到s3的东西（这是否是使用express的正确方法？）。

由于我想部署到 Heroku，我知道他们有一个不保留这些静态文件的策略（在 Django 中，我使用“collectstatic”命令在每次部署时将所有静态文件批量上传到 S3），如何以及从哪里你们在这里提供这些文件吗？

任何建议都会有所帮助。

next.config.js, set 资产前缀 https://nextjs.org/docs#cdn-support-with-asset-prefix到生产中的 aws s3 链接。

const isDev = process.env.NODE_ENV !== 'production';
const version = require('./package.json').version;

assetPrefix: isDev ? '' : `https://${process.env.AWS_REGION}.amazonaws.com/${process.env.AWS_S3_BUCKET_NAME}/${version}`,

收集静态.js，在构建后版本上运行。

require('dotenv').config();
const fs = require('fs');
const readDir = require('recursive-readdir');
const path = require('path');
const AWS = require('aws-sdk');
const mime = require('mime-types');
const version = require('./package.json').version;

// You will run this script from your CI/Pipeline after build has completed.
// It will read the content of the build directory and upload to S3 (live assets bucket)
// Every deployment is immutable. Cache will be invalidated every time you deploy.
AWS.config.update({
  region: process.env.AWS_S3_REGION,
  accessKeyId: process.env.AWS_S3_ACCESS_KEY,
  secretAccessKey: process.env.AWS_S3_SECRET_KEY,
  maxRetries: 3
});

// Retrive al the files path in the build directory
const getDirectoryFilesRecursive = (dir, ignores = []) => {
  return new Promise((resolve, reject) => {
    readDir(dir, ignores, (err, files) => (err ? reject(err) : resolve(files)));
  });
};

// The Key will look like this: _next/public/<buildid>/pages/index.js
// the <buildid> is exposed by nextJS and it's unique per deployment.
// See: https://nextjs.org/blog/next-7/#static-cdn-support
const generateFileKey = (fileName, toReplace, replaced) => {
  // I'm interested in only the last part of the file: '/some/path/.next/build-manifest.json',
  const S3objectPath = fileName.split(toReplace)[1];
  return version + replaced + S3objectPath;
};

const s3 = new AWS.S3();

const uploadToS3 = async (fileArray, toReplace, replaced) => {
  try {
    fileArray.map(file => {
      // Configuring parameters for S3 Object
      const S3params = {
        Bucket: process.env.AWS_S3_BUCKET_NAME,
        Body: fs.createReadStream(file),
        Key: generateFileKey(file, toReplace, replaced),
        ACL: 'public-read',
        ContentType: String(mime.lookup(file)),
        ContentEncoding: 'utf-8',
        CacheControl: 'immutable,max-age=31536000,public'
      };

      s3.upload(S3params, function(err, data) {
        if (err) {
          // Set the exit code while letting
          // the process exit gracefully.
          console.error(err);
          process.exitCode = 1;
        } else {
          console.log(`Assets uploaded to S3:`, data.key);
        }
      });
    });
  } catch (error) {
    console.error(error);
  }
};

// Start function
// getDirectoryFilesRecursive(path, ignore);
const start = async function(dict) {
  for (var i = 0; i < dict.length; i++) {
    const files = await getDirectoryFilesRecursive(path.resolve(__dirname, dict[i].filePath), ['.DS_Store', 'BUILD_ID']);
    uploadToS3(files, dict[i].toReplace, dict[i].replaced);
  }
}

// Call start
start([
  {
    filePath: '.next',
    toReplace: '.next/',
    replaced: '/_next/'
  }
]);

Run node collectstatic.js将您的所有资产上传到 S3。