chore : 웹팩 설정 변경

webpack/webpack.prod.js

@@ -1,8 +1,26 @@
 const { merge } = require('webpack-merge');
 const common = require('../webpack.common.js');
 const webpack = require('webpack');
+const TerserPlugin = require('terser-webpack-plugin');
 
 module.exports = merge(common, {
     mode: 'production',
-    devtool: 'hidden-source-map'
+    devtool: 'hidden-source-map',
+    optimization: {
+        minimize: true,
+        minimizer: [
+            new TerserPlugin({
+                terserOptions: {
+                    compress: {
+                        drop_console: true
+                    }
+                }
+            })
+        ]
+    },
+    plugins: [
+        new webpack.DefinePlugin({
+            'process.env.NODE_ENV': JSON.stringify('production')
+        })
+    ]
 });