issue # 백엔드 서버 재구성

package.json

@@ -0,0 +1,30 @@
+{
+  "name": "fastify",
+  "version": "1.0.0",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "dev": "ts-node src/server.ts",
+    "build": "tsc",
+    "start": "node dist/server.js"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "description": "",
+  "dependencies": {
+    "dotenv": "^17.2.3",
+    "fastify": "^5.6.2",
+    "fastify-postgres": "^3.6.0",
+    "nodemailer": "^7.0.10",
+    "pg": "^8.16.3"
+  },
+  "devDependencies": {
+    "@types/dotenv": "^6.1.1",
+    "@types/node": "^24.10.1",
+    "@types/nodemailer": "^7.0.3",
+    "@types/pg": "^8.15.6",
+    "ts-node": "^10.9.2",
+    "typescript": "^5.9.3"
+  }
+}