webpack.config.js

const webpack = require("webpack");
const path = require("path");
const HtmlWebpackPlugin = require("html-webpack-plugin");
const CopyWebpackPlugin = require("copy-webpack-plugin");

module.exports = {
  entry: "./src/index.tsx",
  mode: "development",
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        use: "ts-loader",
        exclude: /node_modules/
      },
      {
        test: /\.css$/i,
        use: ["style-loader", "css-loader"]
      }
    ]
  },
  resolve: {
    extensions: [".tsx", ".ts", ".js"]
  },
  output: {
    filename: "bundle.js",
    path: path.resolve(__dirname, "dist"),
    publicPath: "/"
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: "./public/index.html"
    }),
    new CopyWebpackPlugin({
      patterns: [
        { from: "public", to: "", globOptions: { ignore: ["**/index.html"] } }
      ]
    }),
    new webpack.DefinePlugin({
      "process.env.REACT_APP_API_BASE_URL": JSON.stringify(
        process.env.REACT_APP_API_BASE_URL
      )
    })
  ],
  devServer: {
    static: {
      directory: path.resolve(__dirname, "dist")
    },
    compress: true,
    port: 8080,
    historyApiFallback: true
  }
};