Build changes

.drone.yml

@@ -5,11 +5,9 @@ name: deploy
 steps:
   - name: build
     image: node:lts
-    environment:
-      NODE_ENV: production
     commands:
       - npm install
-      - npm run build
+      - npm run build --production
 
   - name: deploy
     image: alpine

vue.config.js

@@ -0,0 +1,11 @@
+module.exports = {
+  productionSourceMap: false,
+  configureWebpack: {
+    optimization: {
+      splitChunks: {
+        minSize: 10000,
+        maxSize: 250000
+      }
+    }
+  }
+}