nodejs-typescript-webpack/webpack.config.js

const nodeExternals = require("webpack-node-externals");
const path = require("path");
const CopyPlugin = require("copy-webpack-plugin");

const config = {
  entry: "./src/index.ts",
  mode: "production",
  target: "node",
  module: {
    rules: [{ test: /\.ts$/, use: ["ts-loader"], exclude: /node_modules/ }],
  },
  resolve: {
    extensions: [".ts"],
  },
  externalsPresets: { node: true },
  externals: [nodeExternals()],
  output: {
    clean: true,
    filename: "main.js",
    path: path.resolve(__dirname, "dist"),
  },
  plugins: [
    new CopyPlugin({
      patterns: [
        {
          from: path.resolve(__dirname, "pm2.production.json"),
        },
        {
          from: path.resolve(__dirname, "package.json"),
        },
        {
          from: path.resolve(__dirname, "yarn.lock"),
        },
      ],
    }),
  ],
};

module.exports = config;