Module not found: Can't resolve 'fs'が消えない

プログラミング初心者です
Module not found: Can't resolve 'fs'
のエラーがサーバを立ち上げると起きます

npm i fs　したり

target: 'node',をconfigの色んな所においたり
target: 'web',にしてみたり

node: {
fs: 'empty'
},

package.jsonに
"browser": {
"fs": false
},
にしてみたりしましたがダメでした。

足りない情報は遠慮なくお願いします

./node_modules/dotenv/lib/main.js:24:0
Module not found: Can't resolve 'fs'

next.config.js


require("dotenv").config();
const path = require("path");
const Dotenv = require("dotenv-webpack");

module.exports = {
  
  webpack: config => {
    config.plugins = config.plugins || [];
    
    config.plugins = [
      
      ...config.plugins,
      // Read the .env file
    
      new Dotenv({
        path: path.join(__dirname, ".env"),
        systemvars: true,
        target: 'node',

      })
    ];
    
    return config;
  }
};

package.json

{
  "name": "hands-on-mania",
  "version": "0.1.0",
  "scripts": {
    "dev": "next dev",
    "build": "next build",
    "start": "next start"
  },
  "dependencies": {
    "dotenv": "^8.2.0",
    "dotenv-webpack": "^2.0.0",
    "firebase": "^7.19.1",
    "fs": "0.0.1-security",
    "js-cookie": "^2.2.1",
    "next": "^9.5.2",
    "react": "^16.13.1",
    "react-dom": "^16.13.1",
    "react-firebaseui": "^4.1.0",
    "swr": "^0.3.2",
    "webpack-cli": "^3.3.12"
  },
  "browser": {
    "fs": false
  },
  "license": ""
}