Make NEXTAUTH_URL optional

Author: MeshanKhosla

src/env/schema.mjs

@@ -9,7 +9,7 @@ export const serverSchema = z.object({
   DATABASE_URL: z.string().url(),
   NODE_ENV: z.enum(["development", "test", "production"]),
   NEXTAUTH_SECRET: z.string(),
-  NEXTAUTH_URL: z.string().url(),
+  NEXTAUTH_URL: z.string().url().optional(),
   GOOGLE_CLIENT_ID: z.string(),
   GOOGLE_CLIENT_SECRET: z.string(),
 });