fix build env

packages/auth/src/server.ts

@@ -4,52 +4,55 @@ import { drizzleAdapter } from 'better-auth/adapters/drizzle'
 import { magicLink } from 'better-auth/plugins'
 import { Resend } from 'resend'
 
-if (!process.env.BETTER_AUTH_SECRET) {
-  throw new Error(
-    'Missing BETTER_AUTH_SECRET environment variable. Generate one with: openssl rand -base64 32',
-  )
-}
+let _auth: ReturnType<typeof betterAuth> | null = null
 
-if (!process.env.BETTER_AUTH_URL) {
-  throw new Error(
-    'Missing BETTER_AUTH_URL environment variable. Set it to your app URL (e.g., http://localhost:3000)',
-  )
-}
+function getAuth() {
+  if (!_auth) {
+    const betterAuthSecret = process.env.BETTER_AUTH_SECRET
+    const betterAuthUrl = process.env.BETTER_AUTH_URL
 
-// Initialize Resend for email sending
-const resend = process.env.RESEND_API_KEY ? new Resend(process.env.RESEND_API_KEY) : null
+    if (!betterAuthSecret) {
+      throw new Error(
+        'Missing BETTER_AUTH_SECRET environment variable. Please configure it in your deployment settings or .env.local file. Generate one with: openssl rand -base64 32',
+      )
+    }
 
-/**
- * Better Auth server instance
- * Configured with PostgreSQL database (Supabase) and magic link authentication
- */
-export const auth = betterAuth({
-  database: drizzleAdapter(db, {
-    provider: 'pg',
-    usePlural: true,
-    schema,
-  }),
-  advanced: {
-    database: {
-      generateId: false, // Use our prefixed nanoid IDs from schema
-    },
-  },
-  secret: process.env.BETTER_AUTH_SECRET,
-  baseURL: process.env.BETTER_AUTH_URL,
-  plugins: [
-    magicLink({
-      sendMagicLink: async ({ email, url }) => {
-        if (!resend) {
-          console.log(`[DEV] Magic link for ${email}: ${url}`)
-          return
-        }
+    if (!betterAuthUrl) {
+      throw new Error(
+        'Missing BETTER_AUTH_URL environment variable. Please configure it in your deployment settings or .env.local file. Set it to your app URL (e.g., http://localhost:3000 or https://yourdomain.com)',
+      )
+    }
 
-        try {
-          await resend.emails.send({
-            from: 'Pascal <noreply@pascal.app>',
-            to: email,
-            subject: 'Sign in to Pascal Editor',
-            html: `
+    // Initialize Resend for email sending
+    const resend = process.env.RESEND_API_KEY ? new Resend(process.env.RESEND_API_KEY) : null
+
+    _auth = betterAuth({
+      database: drizzleAdapter(db, {
+        provider: 'pg',
+        usePlural: true,
+        schema,
+      }),
+      advanced: {
+        database: {
+          generateId: false, // Use our prefixed nanoid IDs from schema
+        },
+      },
+      secret: betterAuthSecret,
+      baseURL: betterAuthUrl,
+      plugins: [
+        magicLink({
+          sendMagicLink: async ({ email, url }) => {
+            if (!resend) {
+              console.log(`[DEV] Magic link for ${email}: ${url}`)
+              return
+            }
+
+            try {
+              await resend.emails.send({
+                from: 'Pascal <noreply@pascal.app>',
+                to: email,
+                subject: 'Sign in to Pascal Editor',
+                html: `
               <div style="font-family: Arial, sans-serif; max-width: 600px; margin: 0 auto;">
                 <h2>Sign in to Pascal Editor</h2>
                 <p>Click the button below to sign in to your account:</p>
@@ -60,27 +63,42 @@ export const auth = betterAuth({
                 <p style="color: #666; font-size: 14px;">If you didn't request this email, you can safely ignore it.</p>
               </div>
             `,
-          })
-          console.log(`✓ Magic link email sent to ${email}`)
-        } catch (error) {
-          console.error('Failed to send magic link email:', error)
-          throw error
-        }
+              })
+              console.log(`✓ Magic link email sent to ${email}`)
+            } catch (error) {
+              console.error('Failed to send magic link email:', error)
+              throw error
+            }
+          },
+        }),
+      ],
+      session: {
+        expiresIn: 60 * 60 * 24 * 7, // 7 days
+        updateAge: 60 * 60 * 24, // 1 day
+        cookieCache: {
+          enabled: true,
+          maxAge: 5 * 60, // 5 minutes
+        },
+        additionalFields: {
+          activePropertyId: {
+            type: 'string',
+          },
+        },
       },
-    }),
-  ],
-  session: {
-    expiresIn: 60 * 60 * 24 * 7, // 7 days
-    updateAge: 60 * 60 * 24, // 1 day
-    cookieCache: {
-      enabled: true,
-      maxAge: 5 * 60, // 5 minutes
-    },
-    additionalFields: {
-      activePropertyId: {
-        type: 'string',
-      },
-    },
+    })
+  }
+  return _auth
+}
+
+/**
+ * Better Auth server instance
+ * Configured with PostgreSQL database (Supabase) and magic link authentication
+ *
+ * Initialized lazily to avoid requiring env vars at build time
+ */
+export const auth = new Proxy({} as ReturnType<typeof betterAuth>, {
+  get(_target, prop) {
+    return Reflect.get(getAuth(), prop)
   },
 })