feat: use prod webpack base config with overrides (#23)

webpack.prod.config.js

@@ -0,0 +1,33 @@
+const path = require('path');
+const UglifyJsPlugin = require('uglifyjs-webpack-plugin');
+const { getBaseConfig } = require('@edx/frontend-build');
+
+const origConfig = getBaseConfig('webpack-prod');
+
+const config = {
+  ...origConfig,
+  /* option overrides or extensions */
+  entry: './src/index.js',
+  output: {
+    path: path.resolve(__dirname, 'dist'),
+    filename: 'index.js',
+    libraryTarget: 'umd',
+    globalObject: "typeof self !== 'undefined' ? self : this",
+  },
+  // Exclude react and any package that has it as a dependency from the bundle.
+  externals: {
+    react: 'react',
+    '@edx/frontend-platform/auth': '@edx/frontend-platform/auth',
+  },
+  resolve: {
+    extensions: ['.js', '.jsx'],
+  },
+  plugins: [
+    new UglifyJsPlugin({
+      sourceMap: true,
+    }),
+  ],
+  optimization: {},
+};
+
+module.exports = config;