Updated mailer to use Mailtrap API

apps/backend/.env

@@ -11,4 +11,6 @@ SMTP_USER=6af2bf58132d12
 SMTP_PASS=1253b2fe0fc47a
 SMTP_FROM=Playzer <no-reply@playzer.app>
 BETTER_AUTH_SECRET=R1MfeeeekXSNdE65hOhhr0Mt0KLwczYr
-BETTER_AUTH_URL=http://localhost:3000
+BETTER_AUTH_URL=http://localhost:3000
+MAILTRAP_API_TOKEN=2c040e2e577dc48909d3206dd2d47fc6
+MAIL_SANDBOX=true

apps/backend/.gitignore

@@ -1,2 +1,3 @@
 # deps
 node_modules/
+prisma.config.prod.ts

apps/backend/package.json

@@ -21,6 +21,7 @@
     "better-auth": "^1.6.4",
     "dotenv": "^17.4.1",
     "hono": "4.12.10",
+    "mailtrap": "^4.5.1",
     "nodemailer": "^8.0.5",
     "pg": "^8.20.0",
     "pino": "10.3.1",

apps/backend/src/lib/mailer.ts

@@ -1,29 +1,24 @@
 import nodemailer from 'nodemailer';
+import { MailtrapTransport } from 'mailtrap';
+
+const TOKEN = Bun.env.MAILTRAP_API_TOKEN;
 
 let cachedTransporter: ReturnType<typeof nodemailer.createTransport> | null = null;
 
 function getTransporter() {
   if (cachedTransporter) return cachedTransporter;
 
-  const smtpHost = Bun.env.SMTP_HOST;
-  const smtpPort = Number(Bun.env.SMTP_PORT ?? 587);
-  const smtpUser = Bun.env.SMTP_USER;
-  const smtpPass = Bun.env.SMTP_PASS;
-
-  if (!smtpHost || !smtpUser || !smtpPass) {
-    throw new Error('Missing SMTP env vars. Set SMTP_HOST, SMTP_PORT, SMTP_USER and SMTP_PASS.');
+  if (!TOKEN) {
+    throw new Error('Missing MAILTRAP_API_TOKEN env var.');
   }
 
-  cachedTransporter = nodemailer.createTransport({
-    host: smtpHost,
-    port: smtpPort,
-    secure: smtpPort === 465,
-    auth: {
-      user: smtpUser,
-      pass: smtpPass,
-    },
-  });
-
+  cachedTransporter = nodemailer.createTransport(
+    MailtrapTransport({
+      token: TOKEN,
+      sandbox: Bun.env.MAIL_SANDBOX === 'true',
+      testInboxId: 1114587
+    })
+  );
   return cachedTransporter;
 }