diff --git a/src/lib/supabase.ts b/src/lib/supabase.ts
index 38ce07f..30a3d7d 100644
--- a/src/lib/supabase.ts
+++ b/src/lib/supabase.ts
@@ -3,18 +3,21 @@ import type { AstroCookies } from 'astro';
 
 const SCHEMA = 'prestamos';
 
+const SUPABASE_URL = process.env.PUBLIC_SUPABASE_URL ?? import.meta.env.PUBLIC_SUPABASE_URL;
+const SUPABASE_ANON_KEY = process.env.PUBLIC_SUPABASE_ANON_KEY ?? import.meta.env.PUBLIC_SUPABASE_ANON_KEY;
+
 const cookieOptions: CookieOptionsWithName = {
   name: 'sb',
   path: '/',
   sameSite: 'lax',
   httpOnly: true,
-  secure: import.meta.env.PROD,
+  secure: process.env.NODE_ENV === 'production',
 };
 
 export function serverClient(cookies: AstroCookies) {
   return createServerClient(
-    import.meta.env.PUBLIC_SUPABASE_URL,
-    import.meta.env.PUBLIC_SUPABASE_ANON_KEY,
+    SUPABASE_URL,
+    SUPABASE_ANON_KEY,
     {
       db: { schema: SCHEMA },
       cookieOptions,
diff --git a/src/pages/login.astro b/src/pages/login.astro
index 5e7ed15..b3c364a 100644
--- a/src/pages/login.astro
+++ b/src/pages/login.astro
@@ -9,8 +9,8 @@ const errorMsg = errorParam === 'dominio'
     ? 'No se pudo completar la autenticación con Google. Inténtalo de nuevo.'
     : null;
 
-const appUrl = import.meta.env.PUBLIC_APP_URL ?? url.origin;
-const supabaseUrl = import.meta.env.PUBLIC_SUPABASE_URL;
+const appUrl = process.env.PUBLIC_APP_URL ?? import.meta.env.PUBLIC_APP_URL ?? url.origin;
+const supabaseUrl = process.env.PUBLIC_SUPABASE_URL ?? import.meta.env.PUBLIC_SUPABASE_URL;
 const redirectTo = `${appUrl}/api/auth/callback`;
 const googleAuthUrl = `${supabaseUrl}/auth/v1/authorize?provider=google&redirect_to=${encodeURIComponent(redirectTo)}`;
 ---