Issue with caching in Next.js server component using Sanity.io

export default async function BlogOverviewPage() {
  const posts = await getAllPosts();

  return <>work with the posts object</>

export async function getAllPosts() {
  const DEFAULT_TAGS = ["post"] as string[];
  if (client) {
    const result = await client.fetch(postquery, {}, {
      //cache: "force-cache",
      next: {
        revalidate: 60 // for simple, time-based revalidation
        //tags: DEFAULT_TAGS, // for tag-based revalidation
      }
    });
    console.log("# Items: "+result.length);
    return result || [];
  }
  return [];
}

createClient({
    projectId,
    dataset,
    apiVersion,
    useCdn,
    perspective: process.env.NODE_ENV === "development" ? "previewDrafts" : "published"
  }