feat: 방명록 등록 시 나에게 이메일 전송

app/api/guestbooks/route.ts

@@ -1,4 +1,5 @@
 import { NextRequest, NextResponse } from 'next/server';
+import nodemailer from 'nodemailer';
 
 import { prisma } from '@/src/utils/prisma';
 import { stringifyBigIntId } from '@/src/utils/stringify-big-int-id';
@@ -21,5 +22,24 @@ export async function POST(request: NextRequest) {
     },
   });
 
+  const transporter = nodemailer.createTransport({
+    service: 'gmail',
+    auth: {
+      user: '[email protected]',
+      pass: process.env.GOOGLE_APP_PASSWORD,
+    },
+  });
+
+  try {
+    await transporter.sendMail({
+      from: '[email protected]',
+      to: '[email protected]',
+      subject: '블로그에 방명록이 등록되었습니다.',
+      text: `${name}: ${message}`,
+    });
+  } catch (error) {
+    console.error(error);
+  }
+
   return NextResponse.json({ guestbook: stringifyBigIntId(guestbook) });
 }

package.json

@@ -26,6 +26,7 @@
     "next": "^14.2.5",
     "next-mdx-remote": "^4",
     "next-sitemap": "^4.2.3",
+    "nodemailer": "^6.9.15",
     "postcss": "8.4.30",
     "react": "18.2.0",
     "react-dom": "18.2.0",
@@ -43,6 +44,7 @@
   "devDependencies": {
     "@tailwindcss/typography": "^0.5.10",
     "@types/gtag.js": "^0.0.18",
+    "@types/nodemailer": "^6.4.16",
     "eslint-plugin-simple-import-sort": "^12.0.0",
     "prettier-plugin-tailwindcss": "^0.5.4",
     "prisma": "^5.18.0",