Improve welcome email with Discord and GitHub links

Add DISCORD_URL and GITHUB_URL env variables. Restructure welcome
email body: move docs to quick tips, add onboarding/Discord/GitHub
call-to-action lines with consistent question-then-link pattern.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: bchapuis

apps/api/src/auth.ts

@@ -523,6 +523,8 @@ async function completeOAuthLogin(
         appUrl: c.env.WEB_HOST,
         websiteUrl: c.env.WEBSITE_URL,
         onboardingUrl: c.env.ONBOARDING_URL,
+        discordUrl: c.env.DISCORD_URL,
+        githubUrl: c.env.GITHUB_URL,
       });
       const result = await emailService.send({
         from: c.env.ONBOARDING_EMAIL,

apps/api/src/context.ts

@@ -71,6 +71,8 @@ export interface Bindings {
   STRIPE_METER_ID?: string;
   ONBOARDING_URL?: string;
   ONBOARDING_EMAIL?: string;
+  DISCORD_URL?: string;
+  GITHUB_URL?: string;
 }
 
 export interface Variables {

apps/api/src/services/email-templates.ts

@@ -7,6 +7,8 @@ export interface WelcomeEmailParams {
   appUrl: string;
   websiteUrl: string;
   onboardingUrl?: string;
+  discordUrl?: string;
+  githubUrl?: string;
 }
 
 /**
@@ -17,7 +19,8 @@ export function getWelcomeEmail(params: WelcomeEmailParams): {
   text: string;
   html: string;
 } {
-  const { userName, appUrl, websiteUrl, onboardingUrl } = params;
+  const { userName, appUrl, websiteUrl, onboardingUrl, discordUrl, githubUrl } =
+    params;
   const docsUrl = `${appUrl}/docs/concepts`;
 
   const subject = "Welcome to Dafthunk";
@@ -33,9 +36,9 @@ Here are some quick tips:
 • Connect integrations like GitHub, Discord, Telegram or Gmail
 • Browse the Nodes Reference to see all 400+ available nodes
 • Bonus: it's open source (MIT). Self-host it and contribute
+• Learn more: ${docsUrl}
 
-${onboardingUrl ? `Want a walkthrough? Book an onboarding session: ${onboardingUrl}\n\n` : ""}Docs: ${docsUrl}
-Questions? GitHub issues or Discord.
+${onboardingUrl ? `Want a walkthrough? Book an onboarding session: ${onboardingUrl}\n\n` : ""}${discordUrl ? `Prefer a quick chat? Join us on Discord: ${discordUrl}\n\n` : ""}${githubUrl ? `Want to help? Contribute on GitHub: ${githubUrl}\n\n` : ""}Questions? GitHub issues or Discord.
 
 Happy automating,
 Bertil Chapuis
@@ -54,9 +57,9 @@ ${websiteUrl}`;
 <li>Connect integrations like GitHub, Discord, Telegram or Gmail</li>
 <li>Browse the Nodes Reference to see all 400+ available nodes</li>
 <li>Bonus: it's open source (MIT). Self-host it and contribute</li>
+<li><a href="${docsUrl}">Learn more</a></li>
 </ul>
-${onboardingUrl ? `<p>Want a walkthrough? <a href="${onboardingUrl}">Book an onboarding session</a></p>\n` : ""}<p><a href="${docsUrl}">Docs</a></p>
-<p>Questions? GitHub issues or Discord.</p>
+${onboardingUrl ? `<p>Want a walkthrough? <a href="${onboardingUrl}">Book an onboarding session</a></p>\n` : ""}${discordUrl ? `<p>Prefer a quick chat? <a href="${discordUrl}">Join us on Discord</a></p>\n` : ""}${githubUrl ? `<p>Want to help? <a href="${githubUrl}">Contribute on GitHub</a></p>\n` : ""}<p>Questions? GitHub issues or Discord.</p>
 <p>Happy automating,<br>Bertil Chapuis</p>
 <p>—<br>Dafthunk · Visual workflow automation<br><a href="${websiteUrl}">${websiteUrl}</a></p>`;