refactor utils

server/src/utils/env.ts

@@ -0,0 +1,10 @@
+import crypto from 'crypto'
+
+export function get<T>(key: string, defaultValue: T): T {
+  const value = process.env[key]
+  return value !== undefined ? (value as unknown as T) : defaultValue
+}
+
+export function genSecret() {
+  return crypto.randomUUID()
+}