Replace Resend with Mailcow SMTP via nodemailer

- Swap resend SDK for nodemailer in contact form API route
- Update docker-compose.yml env vars: RESEND_API_KEY → SMTP_*
- Update package.json: resend → nodemailer dependency
- Remove Vercel deploy boilerplate from README

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

README.md

@@ -28,9 +28,3 @@ To learn more about Next.js, take a look at the following resources:
 - [Learn Next.js](https://nextjs.org/learn) - an interactive Next.js tutorial.
 
 You can check out [the Next.js GitHub repository](https://github.com/vercel/next.js) - your feedback and contributions are welcome!
-
-## Deploy on Vercel
-
-The easiest way to deploy your Next.js app is to use the [Vercel Platform](https://vercel.com/new?utm_medium=default-template&filter=next.js&utm_source=create-next-app&utm_campaign=create-next-app-readme) from the creators of Next.js.
-
-Check out our [Next.js deployment documentation](https://nextjs.org/docs/app/building-your-application/deploying) for more details.

docker-compose.yml

@@ -4,7 +4,11 @@ services:
     container_name: xhivart-mirror
     restart: always
     environment:
-      - RESEND_API_KEY=${RESEND_API_KEY}
+      - SMTP_HOST=${SMTP_HOST}
+      - SMTP_PORT=${SMTP_PORT}
+      - SMTP_USER=${SMTP_USER}
+      - SMTP_PASS=${SMTP_PASS}
+      - SMTP_FROM=${SMTP_FROM}
     networks:
       - traefik-public
     labels:

package.json

@@ -12,7 +12,7 @@
     "next": "16.1.4",
     "react": "19.2.3",
     "react-dom": "19.2.3",
-    "resend": "^6.9.1"
+    "nodemailer": "^6.9.16"
   },
   "devDependencies": {
     "@tailwindcss/postcss": "^4",

src/app/api/contact/route.ts

@@ -1,7 +1,15 @@
 import { NextResponse } from 'next/server';
-import { Resend } from 'resend';
+import nodemailer from 'nodemailer';
 
-const resend = new Resend(process.env.RESEND_API_KEY);
+const transporter = nodemailer.createTransport({
+  host: process.env.SMTP_HOST,
+  port: Number(process.env.SMTP_PORT) || 587,
+  secure: false,
+  auth: {
+    user: process.env.SMTP_USER,
+    pass: process.env.SMTP_PASS,
+  },
+});
 
 function escapeHtml(str: string): string {
   return str
@@ -30,8 +38,8 @@ export async function POST(request: Request) {
     const safeEmail = escapeHtml(email.trim());
     const safeMessage = escapeHtml(message.trim());
 
-    const { error } = await resend.emails.send({
-      from: 'XHIVA Art <noreply@jeffemmett.com>',
+    await transporter.sendMail({
+      from: `XHIVA Art <${process.env.SMTP_FROM || process.env.SMTP_USER}>`,
       to: 'xhivart@gmail.com',
       replyTo: email.trim(),
       subject: `New message from ${name.trim()} — XHIVA Art`,
@@ -65,14 +73,9 @@ export async function POST(request: Request) {
       `,
     });
 
-    if (error) {
-      console.error('Resend error:', error);
-      return NextResponse.json({ error: 'Failed to send message' }, { status: 500 });
-    }
-
     return NextResponse.json({ success: true });
   } catch (err) {
     console.error('Contact API error:', err);
-    return NextResponse.json({ error: 'Internal server error' }, { status: 500 });
+    return NextResponse.json({ error: 'Failed to send message' }, { status: 500 });
   }
 }