feat: Re-compute the given items cost job.

feat: Optimize the architecture.

server/src/loaders/express.ts

@@ -0,0 +1,21 @@
+import express from 'express';
+import helmet from 'helmet';
+import boom from 'express-boom';
+import errorHandler from 'errorhandler';
+import i18n from 'i18n';
+import fileUpload from 'express-fileupload';
+import routes from '@/http';
+
+export default ({ app }) => {
+  // Express configuration.
+  app.set('port', 3000);
+
+  app.use(helmet());
+  app.use(errorHandler());
+  app.use(boom());
+  app.use(express.json());
+  app.use(fileUpload({
+    createParentPath: true,
+  }));
+  routes(app);
+};