setting ddns config

config/prod.env.js

 module.exports = {
   NODE_ENV: '"production"',
-  BASE_API: '"https://easy-mock.com/mock/5950a2419adc231f356a6636/vue-admin"',
+  BASE_API: '"brocas.ddns.net:7001/api/v1/admin"',
 }

package.json

     "dev": "node build/dev-server.js",
     "start": "node build/dev-server.js",
     "build": "node build/build.js",
+    "start:ddns": "node_env=production pm2 start build/dev-server.js",
     "lint": "eslint --ext .js,.vue src"
   },
   "dependencies": {