tweak installation scripts, add webpack to backend

backend/webpack.config.js

@@ -3,6 +3,7 @@ const NodePolyfillPlugin = require("node-polyfill-webpack-plugin")
 const nodeExternals = require('webpack-node-externals');
 
 module.exports = {
+  mode: 'production',
   entry: './src/app.ts',
   module: {
     rules: [
@@ -12,13 +13,15 @@ module.exports = {
         exclude: /node_modules/,
       },
     ],
-  },
+  },    node: {
+        __dirname: false
+    },
   resolve: {
     extensions: ['.tsx', '.ts', '.js'],
   },
   output: {
-    filename: 'bundle.js',
-    path: path.resolve(__dirname, '../dist'),
+    filename: 'app.js',
+    path: path.resolve(__dirname, './dist'),
   },
   plugins: [
     new NodePolyfillPlugin(),