webpack.config.dev.js

const path = require("path");
const webpack = require("webpack");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const { CleanWebpackPlugin } = require("clean-webpack-plugin");

module.exports = {
  mode: "development",
  entry: {
    index: "./Client/src/index.js",
  },
  output: {
    path: path.join(__dirname, "dist"),
    publicPath: "/",
    filename: "[name].js",
  },
  module: {
    rules: [
      {
        test: /\.js$|jsx/,
        exclude: /node_modules/,
        loader: "babel-loader",
        options: {
          cacheDirectory: true,
          configFile: "./Client/.babelrc",
        },
      },
      {
        test: /\.html$/,
        use: [
          {
            loader: "html-loader",
          },
        ],
      },
      {
        test: /\.(s[ac]ss)|css$/,
        use: ["style-loader", "css-loader", "sass-loader"],
      },
      {
        test: /\.(png|svg|jpg|gif|ico)$/,
        use: ["file-loader"],
      },
    ],
  },
  plugins: [
    new webpack.HotModuleReplacementPlugin(),
    new HtmlWebpackPlugin({
      template: "./Client/public/index.html",
    }),
  ],
  devServer: {
    port: 3000,
    proxy: {
      "/api": "http://localhost:5000",
    },
    historyApiFallback: true,
  },
  optimization: {},
  resolve: {
    modules: ["node_modules"],
    extensions: [".js", ".json", ".jsx", ".css"],
    alias: {
      Components: path.resolve(__dirname, "Client/src/components"),
      Views: path.resolve(__dirname, "Client/src/views/"),
      "@": path.resolve(__dirname, "Client/src/"),
    },
  },
};