diff --git a/packages/@moonreach/nodepack/src/config/base.js b/packages/@moonreach/nodepack/src/config/base.js
index c0817d4..424c07e 100644
--- a/packages/@moonreach/nodepack/src/config/base.js
+++ b/packages/@moonreach/nodepack/src/config/base.js
@@ -18,7 +18,7 @@ module.exports = (api, options) => {
     // Output
     config.output
       .set('path', api.resolve(options.outputDir))
-      .set('filename', 'app.js')
+      .set('filename', '[name].js')
       .set('libraryTarget', 'commonjs2')
 
     // Resolve
diff --git a/packages/@moonreach/nodepack/src/config/prod.js b/packages/@moonreach/nodepack/src/config/prod.js
index 69dca72..7119df7 100644
--- a/packages/@moonreach/nodepack/src/config/prod.js
+++ b/packages/@moonreach/nodepack/src/config/prod.js
@@ -18,6 +18,20 @@ module.exports = (api, options) => {
           .minimizer('terser')
           .use(TerserPlugin, [terserOptions(options)])
       }
+
+      if (options.externals === false) {
+        config
+          .optimization.splitChunks({
+            cacheGroups: {
+              vendors: {
+                name: `vendors`,
+                test: /[\\/]node_modules[\\/]/,
+                priority: -10,
+                chunks: 'initial',
+              },
+            },
+          })
+      }
     }
   })
 }