feat: add backend-mock app

apps/backend-mock/src/config/index.ts

@@ -0,0 +1,23 @@
+import { readFileSync } from 'node:fs';
+import { join } from 'node:path';
+import process from 'node:process';
+
+import * as yaml from 'js-yaml';
+
+const configFileNameObj = {
+  development: 'dev',
+  production: 'prod',
+};
+
+const env = process.env.NODE_ENV;
+
+const configFactory = () => {
+  return yaml.load(
+    readFileSync(
+      join(process.cwd(), 'src', 'config', `${configFileNameObj[env]}.yml`),
+      'utf8',
+    ),
+  ) as Record<string, any>;
+};
+
+export default configFactory;