# Astro

> astro documentation pack

## Pages

- [Astro](https://docharvest.github.io/docs/astro/): 
- [Astro Courses](https://docharvest.github.io/docs/astro/astro-courses/): 
- [Components](https://docharvest.github.io/docs/astro/basics/astro-components/): 
- [Pages](https://docharvest.github.io/docs/astro/basics/astro-pages/): 
- [Layouts](https://docharvest.github.io/docs/astro/basics/layouts/): 
- [Project structure](https://docharvest.github.io/docs/astro/basics/project-structure/): 
- [Islands architecture](https://docharvest.github.io/docs/astro/concepts/islands/): 
- [Why Astro?](https://docharvest.github.io/docs/astro/concepts/why-astro/): 
- [Contribute to Astro](https://docharvest.github.io/docs/astro/contribute/): 
- [Develop and build](https://docharvest.github.io/docs/astro/develop-and-build/): 
- [Editor setup](https://docharvest.github.io/docs/astro/editor-setup/): 
- [Getting started](https://docharvest.github.io/docs/astro/getting-started/): 
- [Actions](https://docharvest.github.io/docs/astro/guides/actions/): 
- [Authentication](https://docharvest.github.io/docs/astro/guides/authentication/): 
- [Use a backend service with Astro](https://docharvest.github.io/docs/astro/guides/backend/): 
- [Appwrite & Astro](https://docharvest.github.io/docs/astro/guides/backend/appwrite/): 
- [Firebase & Astro](https://docharvest.github.io/docs/astro/guides/backend/firebase/): 
- [Neon Postgres & Astro](https://docharvest.github.io/docs/astro/guides/backend/neon/): 
- [Prisma Postgres & Astro](https://docharvest.github.io/docs/astro/guides/backend/prisma-postgres/): 
- [Scalekit & Astro](https://docharvest.github.io/docs/astro/guides/backend/scalekit/): 
- [Monitor your Astro Site with Sentry](https://docharvest.github.io/docs/astro/guides/backend/sentry/): 
- [Supabase & Astro](https://docharvest.github.io/docs/astro/guides/backend/supabase/): 
- [Turso & Astro](https://docharvest.github.io/docs/astro/guides/backend/turso/): 
- [Xata & Astro](https://docharvest.github.io/docs/astro/guides/backend/xata/): 
- [Building Astro sites with AI tools](https://docharvest.github.io/docs/astro/guides/build-with-ai/): 
- [Route caching](https://docharvest.github.io/docs/astro/guides/caching/): 
- [Scripts and event handling](https://docharvest.github.io/docs/astro/guides/client-side-scripts/): 
- [Use a CMS with Astro](https://docharvest.github.io/docs/astro/guides/cms/): 
- [ApostropheCMS & Astro](https://docharvest.github.io/docs/astro/guides/cms/apostrophecms/): 
- [Builder.io & Astro](https://docharvest.github.io/docs/astro/guides/cms/builderio/): 
- [ButterCMS & Astro](https://docharvest.github.io/docs/astro/guides/cms/buttercms/): 
- [Caisy & Astro](https://docharvest.github.io/docs/astro/guides/cms/caisy/): 
- [CloudCannon & Astro](https://docharvest.github.io/docs/astro/guides/cms/cloudcannon/): 
- [Contentful & Astro](https://docharvest.github.io/docs/astro/guides/cms/contentful/): 
- [Cosmic & Astro](https://docharvest.github.io/docs/astro/guides/cms/cosmic/): 
- [Craft CMS & Astro](https://docharvest.github.io/docs/astro/guides/cms/craft-cms/): 
- [Craft Cross CMS & Astro](https://docharvest.github.io/docs/astro/guides/cms/craft-cross-cms/): 
- [Crystallize & Astro](https://docharvest.github.io/docs/astro/guides/cms/crystallize/): 
- [DatoCMS & Astro](https://docharvest.github.io/docs/astro/guides/cms/datocms/): 
- [Decap CMS & Astro](https://docharvest.github.io/docs/astro/guides/cms/decap-cms/): 
- [Directus & Astro](https://docharvest.github.io/docs/astro/guides/cms/directus/): 
- [Drupal & Astro](https://docharvest.github.io/docs/astro/guides/cms/drupal/): 
- [Flotiq & Astro](https://docharvest.github.io/docs/astro/guides/cms/flotiq/): 
- [Front Matter CMS & Astro](https://docharvest.github.io/docs/astro/guides/cms/frontmatter-cms/): 
- [Ghost & Astro](https://docharvest.github.io/docs/astro/guides/cms/ghost/): 
- [GitCMS & Astro](https://docharvest.github.io/docs/astro/guides/cms/gitcms/): 
- [Hashnode & Astro](https://docharvest.github.io/docs/astro/guides/cms/hashnode/): 
- [Hygraph & Astro](https://docharvest.github.io/docs/astro/guides/cms/hygraph/): 
- [JekyllPad & Astro](https://docharvest.github.io/docs/astro/guides/cms/jekyllpad/): 
- [Keystatic & Astro](https://docharvest.github.io/docs/astro/guides/cms/keystatic/): 
- [KeystoneJS & Astro](https://docharvest.github.io/docs/astro/guides/cms/keystonejs/): 
- [Kontent.ai & Astro](https://docharvest.github.io/docs/astro/guides/cms/kontent-ai/): 
- [microCMS & Astro](https://docharvest.github.io/docs/astro/guides/cms/microcms/): 
- [Optimizely CMS & Astro](https://docharvest.github.io/docs/astro/guides/cms/optimizely/): 
- [Pages CMS & Astro](https://docharvest.github.io/docs/astro/guides/cms/pages-cms/): 
- [Payload CMS & Astro](https://docharvest.github.io/docs/astro/guides/cms/payload/): 
- [Prepr CMS & Astro](https://docharvest.github.io/docs/astro/guides/cms/preprcms/): 
- [Prismic & Astro](https://docharvest.github.io/docs/astro/guides/cms/prismic/): 
- [Sanity & Astro](https://docharvest.github.io/docs/astro/guides/cms/sanity/): 
- [Sitecore Experience Manager & Astro](https://docharvest.github.io/docs/astro/guides/cms/sitecore/): 
- [Sitepins & Astro](https://docharvest.github.io/docs/astro/guides/cms/sitepins/): 
- [Spinal & Astro](https://docharvest.github.io/docs/astro/guides/cms/spinal/): 
- [Headless Statamic & Astro](https://docharvest.github.io/docs/astro/guides/cms/statamic/): 
- [Storyblok & Astro](https://docharvest.github.io/docs/astro/guides/cms/storyblok/): 
- [Strapi & Astro](https://docharvest.github.io/docs/astro/guides/cms/strapi/): 
- [StudioCMS & Astro](https://docharvest.github.io/docs/astro/guides/cms/studiocms/): 
- [TinaCMS & Astro](https://docharvest.github.io/docs/astro/guides/cms/tina-cms/): 
- [Umbraco & Astro](https://docharvest.github.io/docs/astro/guides/cms/umbraco/): 
- [Vault CMS & Astro](https://docharvest.github.io/docs/astro/guides/cms/vault-cms/): 
- [Headless WordPress & Astro](https://docharvest.github.io/docs/astro/guides/cms/wordpress/): 
- [Zero & Astro](https://docharvest.github.io/docs/astro/guides/cms/zero/): 
- [Configuration overview](https://docharvest.github.io/docs/astro/guides/configuring-astro/): 
- [Content collections](https://docharvest.github.io/docs/astro/guides/content-collections/): 
- [Data fetching](https://docharvest.github.io/docs/astro/guides/data-fetching/): 
- [Deploy your Astro Site](https://docharvest.github.io/docs/astro/guides/deploy/): 
- [Deploy your Astro Site to AWS](https://docharvest.github.io/docs/astro/guides/deploy/aws/): 
- [Deploy your Astro Site to AWS with Flightcontrol](https://docharvest.github.io/docs/astro/guides/deploy/aws-via-flightcontrol/): 
- [Deploy your Astro Site to AWS with SST](https://docharvest.github.io/docs/astro/guides/deploy/aws-via-sst/): 
- [Deploy your Astro Site to Azion](https://docharvest.github.io/docs/astro/guides/deploy/azion/): 
- [Deploy your Astro Site with Buddy](https://docharvest.github.io/docs/astro/guides/deploy/buddy/): 
- [Deploy your Astro Site with Cleavr](https://docharvest.github.io/docs/astro/guides/deploy/cleavr/): 
- [Deploy your Astro Site to Clever Cloud](https://docharvest.github.io/docs/astro/guides/deploy/clever-cloud/): 
- [Deploy your Astro Site to Cloudflare](https://docharvest.github.io/docs/astro/guides/deploy/cloudflare/): 
- [Deploy your Astro Site with CloudRay](https://docharvest.github.io/docs/astro/guides/deploy/cloudray/): 
- [Deploy your Astro Site with Deno](https://docharvest.github.io/docs/astro/guides/deploy/deno/): 
- [Deploy your Astro Site with DeployHQ](https://docharvest.github.io/docs/astro/guides/deploy/deployhq/): 
- [Deploy your Astro Site to EdgeOne Pages](https://docharvest.github.io/docs/astro/guides/deploy/edgeone-pages/): 
- [Deploy your Astro Site to Google’s Firebase Hosting](https://docharvest.github.io/docs/astro/guides/deploy/firebase/): 
- [Deploy your Astro Site to Fleek](https://docharvest.github.io/docs/astro/guides/deploy/fleek/): 
- [Deploy your Astro Site to Fly.io](https://docharvest.github.io/docs/astro/guides/deploy/flyio/): 
- [Deploy your Astro Site to GitHub Pages](https://docharvest.github.io/docs/astro/guides/deploy/github/): 
- [Deploy your Astro Site to GitLab Pages](https://docharvest.github.io/docs/astro/guides/deploy/gitlab/): 
- [Deploy your Astro Site to Google Cloud](https://docharvest.github.io/docs/astro/guides/deploy/google-cloud/): 
- [Deploy your Astro Site to Heroku](https://docharvest.github.io/docs/astro/guides/deploy/heroku/): 
- [Deploy your Astro Site to Hostinger](https://docharvest.github.io/docs/astro/guides/deploy/hostinger/): 
- [Deploy your Astro Site to Microsoft Azure](https://docharvest.github.io/docs/astro/guides/deploy/microsoft-azure/): 
- [Deploy your Astro Site to Netlify](https://docharvest.github.io/docs/astro/guides/deploy/netlify/): 
- [Deploy your Astro Site with Railway](https://docharvest.github.io/docs/astro/guides/deploy/railway/): 
- [Deploy your Astro Site to Render](https://docharvest.github.io/docs/astro/guides/deploy/render/): 
- [Deploy your Astro Site to Seenode](https://docharvest.github.io/docs/astro/guides/deploy/seenode/): 
- [Deploy your Astro Site to Sevalla](https://docharvest.github.io/docs/astro/guides/deploy/sevalla/): 
- [Deploy your Astro Site to Stormkit](https://docharvest.github.io/docs/astro/guides/deploy/stormkit/): 
- [Deploy your Astro Site to Surge](https://docharvest.github.io/docs/astro/guides/deploy/surge/): 
- [Deploy your Astro Site to Vercel](https://docharvest.github.io/docs/astro/guides/deploy/vercel/): 
- [Deploy your Astro Site to Zeabur](https://docharvest.github.io/docs/astro/guides/deploy/zeabur/): 
- [Deploy your Astro Site to Zephyr Cloud](https://docharvest.github.io/docs/astro/guides/deploy/zephyr/): 
- [Deploy your Astro Site to Zerops](https://docharvest.github.io/docs/astro/guides/deploy/zerops/): 
- [Dev toolbar](https://docharvest.github.io/docs/astro/guides/dev-toolbar/): 
- [E-commerce](https://docharvest.github.io/docs/astro/guides/ecommerce/): 
- [Endpoints](https://docharvest.github.io/docs/astro/guides/endpoints/): 
- [Using environment variables](https://docharvest.github.io/docs/astro/guides/environment-variables/): 
- [Using custom fonts](https://docharvest.github.io/docs/astro/guides/fonts/): 
- [Front-end frameworks](https://docharvest.github.io/docs/astro/guides/framework-components/): 
- [Images](https://docharvest.github.io/docs/astro/guides/images/): 
- [Imports reference](https://docharvest.github.io/docs/astro/guides/imports/): 
- [Working with integrations](https://docharvest.github.io/docs/astro/guides/integrations/): 
- [@astrojs/alpinejs](https://docharvest.github.io/docs/astro/guides/integrations-guide/alpinejs/): 
- [@astrojs/cloudflare](https://docharvest.github.io/docs/astro/guides/integrations-guide/cloudflare/): 
- [@astrojs/db](https://docharvest.github.io/docs/astro/guides/integrations-guide/db/): 
- [@deno/astro-adapter](https://docharvest.github.io/docs/astro/guides/integrations-guide/deno/): 
- [Lit](https://docharvest.github.io/docs/astro/guides/integrations-guide/lit/): 
- [@astrojs/markdoc](https://docharvest.github.io/docs/astro/guides/integrations-guide/markdoc/): 
- [@astrojs/mdx](https://docharvest.github.io/docs/astro/guides/integrations-guide/mdx/): 
- [@astrojs/netlify](https://docharvest.github.io/docs/astro/guides/integrations-guide/netlify/): 
- [@astrojs/node](https://docharvest.github.io/docs/astro/guides/integrations-guide/node/): 
- [@astrojs/partytown](https://docharvest.github.io/docs/astro/guides/integrations-guide/partytown/): 
- [@astrojs/preact](https://docharvest.github.io/docs/astro/guides/integrations-guide/preact/): 
- [@astrojs/prefetch](https://docharvest.github.io/docs/astro/guides/integrations-guide/prefetch/): 
- [@astrojs/react](https://docharvest.github.io/docs/astro/guides/integrations-guide/react/): 
- [@astrojs/sitemap](https://docharvest.github.io/docs/astro/guides/integrations-guide/sitemap/): 
- [@astrojs/solid-js](https://docharvest.github.io/docs/astro/guides/integrations-guide/solid-js/): 
- [@astrojs/svelte](https://docharvest.github.io/docs/astro/guides/integrations-guide/svelte/): 
- [@astrojs/tailwind](https://docharvest.github.io/docs/astro/guides/integrations-guide/tailwind/): 
- [@astrojs/vercel](https://docharvest.github.io/docs/astro/guides/integrations-guide/vercel/): 
- [@astrojs/vue](https://docharvest.github.io/docs/astro/guides/integrations-guide/vue/): 
- [Internationalization (i18n) Routing](https://docharvest.github.io/docs/astro/guides/internationalization/): 
- [Markdown in Astro](https://docharvest.github.io/docs/astro/guides/markdown-content/): 
- [Image and video hosting with Astro](https://docharvest.github.io/docs/astro/guides/media/): 
- [Cloudinary & Astro](https://docharvest.github.io/docs/astro/guides/media/cloudinary/): 
- [ImageKit & Astro](https://docharvest.github.io/docs/astro/guides/media/imagekit/): 
- [Mux & Astro](https://docharvest.github.io/docs/astro/guides/media/mux/): 
- [Middleware](https://docharvest.github.io/docs/astro/guides/middleware/): 
- [Migrate an existing project to Astro](https://docharvest.github.io/docs/astro/guides/migrate-to-astro/): 
- [Migrating from Create React App (CRA)](https://docharvest.github.io/docs/astro/guides/migrate-to-astro/from-create-react-app/): 
- [Migrating from Docusaurus](https://docharvest.github.io/docs/astro/guides/migrate-to-astro/from-docusaurus/): 
- [Migrating from Eleventy](https://docharvest.github.io/docs/astro/guides/migrate-to-astro/from-eleventy/): 
- [Migrating from Gatsby](https://docharvest.github.io/docs/astro/guides/migrate-to-astro/from-gatsby/): 
- [Migrating from GitBook](https://docharvest.github.io/docs/astro/guides/migrate-to-astro/from-gitbook/): 
- [Migrating from Gridsome](https://docharvest.github.io/docs/astro/guides/migrate-to-astro/from-gridsome/): 
- [Migrating from Hugo](https://docharvest.github.io/docs/astro/guides/migrate-to-astro/from-hugo/): 
- [Migrating from Jekyll](https://docharvest.github.io/docs/astro/guides/migrate-to-astro/from-jekyll/): 
- [Migrating from Next.js](https://docharvest.github.io/docs/astro/guides/migrate-to-astro/from-nextjs/): 
- [Migrating from NuxtJS](https://docharvest.github.io/docs/astro/guides/migrate-to-astro/from-nuxtjs/): 
- [Migrating from Pelican](https://docharvest.github.io/docs/astro/guides/migrate-to-astro/from-pelican/): 
- [Migrating from SvelteKit](https://docharvest.github.io/docs/astro/guides/migrate-to-astro/from-sveltekit/): 
- [Migrating from VuePress](https://docharvest.github.io/docs/astro/guides/migrate-to-astro/from-vuepress/): 
- [Migrating from WordPress](https://docharvest.github.io/docs/astro/guides/migrate-to-astro/from-wordpress/): 
- [On-demand rendering](https://docharvest.github.io/docs/astro/guides/on-demand-rendering/): 
- [Prefetch](https://docharvest.github.io/docs/astro/guides/prefetch/): 
- [Routing](https://docharvest.github.io/docs/astro/guides/routing/): 
- [Server islands](https://docharvest.github.io/docs/astro/guides/server-islands/): 
- [Sessions](https://docharvest.github.io/docs/astro/guides/sessions/): 
- [Styles and CSS](https://docharvest.github.io/docs/astro/guides/styling/): 
- [Syntax Highlighting](https://docharvest.github.io/docs/astro/guides/syntax-highlighting/): 
- [Testing](https://docharvest.github.io/docs/astro/guides/testing/): 
- [Troubleshooting](https://docharvest.github.io/docs/astro/guides/troubleshooting/): 
- [TypeScript](https://docharvest.github.io/docs/astro/guides/typescript/): 
- [Legacy v0.x Upgrade Guide](https://docharvest.github.io/docs/astro/guides/upgrade-to/v1/): 
- [Upgrade to Astro v2](https://docharvest.github.io/docs/astro/guides/upgrade-to/v2/): 
- [Upgrade to Astro v3](https://docharvest.github.io/docs/astro/guides/upgrade-to/v3/): 
- [Upgrade to Astro v4](https://docharvest.github.io/docs/astro/guides/upgrade-to/v4/): 
- [Upgrade to Astro v5](https://docharvest.github.io/docs/astro/guides/upgrade-to/v5/): 
- [Upgrade to Astro v6](https://docharvest.github.io/docs/astro/guides/upgrade-to/v6/): 
- [Upgrade to Astro v7](https://docharvest.github.io/docs/astro/guides/upgrade-to/v7/): 
- [View transitions](https://docharvest.github.io/docs/astro/guides/view-transitions/): 
- [Install Astro](https://docharvest.github.io/docs/astro/install-and-setup/): 
- [Astro recipes](https://docharvest.github.io/docs/astro/recipes/): 
- [Installing a Vite or Rollup plugin](https://docharvest.github.io/docs/astro/recipes/add-yaml-support/): 
- [Analyze bundle size](https://docharvest.github.io/docs/astro/recipes/analyze-bundle-size/): 
- [Build a custom image component](https://docharvest.github.io/docs/astro/recipes/build-custom-img-component/): 
- [Build HTML forms in Astro pages](https://docharvest.github.io/docs/astro/recipes/build-forms/): 
- [Build forms with API routes](https://docharvest.github.io/docs/astro/recipes/build-forms-api/): 
- [Use Bun with Astro](https://docharvest.github.io/docs/astro/recipes/bun/): 
- [Call endpoints from the server](https://docharvest.github.io/docs/astro/recipes/call-endpoints/): 
- [Verify a Captcha](https://docharvest.github.io/docs/astro/recipes/captcha/): 
- [Customize file names in the build output](https://docharvest.github.io/docs/astro/recipes/customizing-output-filenames/): 
- [Build your Astro site with Docker](https://docharvest.github.io/docs/astro/recipes/docker/): 
- [Dynamically import images](https://docharvest.github.io/docs/astro/recipes/dynamically-importing-images/): 
- [Add icons to external links](https://docharvest.github.io/docs/astro/recipes/external-links/): 
- [Add i18n features](https://docharvest.github.io/docs/astro/recipes/i18n/): 
- [Create a dev toolbar app](https://docharvest.github.io/docs/astro/recipes/making-toolbar-apps/): 
- [Add last modified time](https://docharvest.github.io/docs/astro/recipes/modified-time/): 
- [Add reading time](https://docharvest.github.io/docs/astro/recipes/reading-time/): 
- [Add an RSS feed](https://docharvest.github.io/docs/astro/recipes/rss/): 
- [Share state between Astro components](https://docharvest.github.io/docs/astro/recipes/sharing-state/): 
- [Share state between islands](https://docharvest.github.io/docs/astro/recipes/sharing-state-islands/): 
- [Using streaming to improve page performance](https://docharvest.github.io/docs/astro/recipes/streaming-improve-page-performance/): 
- [Style rendered Markdown with Tailwind Typography](https://docharvest.github.io/docs/astro/recipes/tailwind-rendered-markdown/): 
- [Astro Adapter API](https://docharvest.github.io/docs/astro/reference/adapter-reference/): 
- [Astro render context](https://docharvest.github.io/docs/astro/reference/api-reference/): 
- [Template expressions reference](https://docharvest.github.io/docs/astro/reference/astro-syntax/): 
- [Astro Cache Provider API](https://docharvest.github.io/docs/astro/reference/cache-provider-reference/): 
- [CLI Commands](https://docharvest.github.io/docs/astro/reference/cli-reference/): 
- [Configuration Reference](https://docharvest.github.io/docs/astro/reference/configuration-reference/): 
- [Astro Container API (experimental)](https://docharvest.github.io/docs/astro/reference/container-reference/): 
- [Astro Content Loader API](https://docharvest.github.io/docs/astro/reference/content-loader-reference/): 
- [Dev Toolbar App API](https://docharvest.github.io/docs/astro/reference/dev-toolbar-app-reference/): 
- [Template directives reference](https://docharvest.github.io/docs/astro/reference/directives-reference/): 
- [Error reference](https://docharvest.github.io/docs/astro/reference/error-reference/): 
- [Action called from the server without Astro.callAction().](https://docharvest.github.io/docs/astro/reference/errors/action-called-from-server-error/): 
- [Action not found.](https://docharvest.github.io/docs/astro/reference/errors/action-not-found-error/): 
- [An invalid Action query string was passed by a form.](https://docharvest.github.io/docs/astro/reference/errors/action-query-string-invalid-error/): 
- [Can't load the Astro actions.](https://docharvest.github.io/docs/astro/reference/errors/actions-cant-be-loaded/): 
- [Action handler returned invalid data.](https://docharvest.github.io/docs/astro/reference/errors/actions-returned-invalid-data-error/): 
- [An invalid Action query string was passed by a form.](https://docharvest.github.io/docs/astro/reference/errors/actions-used-with-for-get-error/): 
- [Actions must be used with server output.](https://docharvest.github.io/docs/astro/reference/errors/actions-without-server-output-error/): 
- [Adapter does not support server output.](https://docharvest.github.io/docs/astro/reference/errors/adapter-support-output-mismatch/): 
- [Astro.glob() did not match any files.](https://docharvest.github.io/docs/astro/reference/errors/astro-glob-no-match/): 
- [Astro.glob() used outside of an Astro file.](https://docharvest.github.io/docs/astro/reference/errors/astro-glob-used-outside/): 
- [Astro.response.headers must not be reassigned.](https://docharvest.github.io/docs/astro/reference/errors/astro-response-headers-reassigned/): 
- [Cache is not enabled.](https://docharvest.github.io/docs/astro/reference/errors/cache-not-enabled/): 
- [Cache provider not found.](https://docharvest.github.io/docs/astro/reference/errors/cache-provider-not-found/): 
- [Conflicting cache query configuration.](https://docharvest.github.io/docs/astro/reference/errors/cache-query-config-conflict/): 
- [Cannot determine weight and style from font file.](https://docharvest.github.io/docs/astro/reference/errors/cannot-determine-weight-and-style-from-font-file/): 
- [Cannot extract the font type from the given URL.](https://docharvest.github.io/docs/astro/reference/errors/cannot-extract-font-type/): 
- [Cannot fetch the given font file.](https://docharvest.github.io/docs/astro/reference/errors/cannot-fetch-font-file/): 
- [Cannot optimize SVG.](https://docharvest.github.io/docs/astro/reference/errors/cannot-optimize-svg/): 
- [Astro can't render the route.](https://docharvest.github.io/docs/astro/reference/errors/cant-render-page/): 
- [Cannot use the astro:config module without enabling the experimental feature.](https://docharvest.github.io/docs/astro/reference/errors/cant-use-astro-config-module-error/): 
- [Astro.clientAddress is not available in current adapter.](https://docharvest.github.io/docs/astro/reference/errors/client-address-not-available/): 
- [Collection does not exist](https://docharvest.github.io/docs/astro/reference/errors/collection-does-not-exist-error/): 
- [Legacy configuration detected.](https://docharvest.github.io/docs/astro/reference/errors/config-legacy-key/): 
- [Specified configuration file not found.](https://docharvest.github.io/docs/astro/reference/errors/config-not-found/): 
- [Content collection has an invalid type field.](https://docharvest.github.io/docs/astro/reference/errors/content-collection-invalid-type/): 
- [Content collection is missing a loader definition.](https://docharvest.github.io/docs/astro/reference/errors/content-collection-missing-loader/): 
- [Collection contains entries of a different type.](https://docharvest.github.io/docs/astro/reference/errors/content-collection-type-mismatch-error/): 
- [Content entry data does not match schema.](https://docharvest.github.io/docs/astro/reference/errors/content-entry-data-error/): 
- [Content entry is missing an ID.](https://docharvest.github.io/docs/astro/reference/errors/content-loader-invalid-data-error/): 
- [Content loader returned an entry with an invalid id.](https://docharvest.github.io/docs/astro/reference/errors/content-loader-returns-invalid-id/): 
- [Content schema should not contain slug.](https://docharvest.github.io/docs/astro/reference/errors/content-schema-contains-slug-error/): 
- [Could not transform image.](https://docharvest.github.io/docs/astro/reference/errors/could-not-transform-image/): 
- [CSP feature isn't enabled](https://docharvest.github.io/docs/astro/reference/errors/csp-not-enabled/): 
- [CSS syntax error.](https://docharvest.github.io/docs/astro/reference/errors/csssyntax-error/): 
- [Data collection entry failed to parse.](https://docharvest.github.io/docs/astro/reference/errors/data-collection-entry-parse-error/): 
- [Duplicate content entry slug.](https://docharvest.github.io/docs/astro/reference/errors/duplicate-content-entry-slug-error/): 
- [The endpoint did not return a Response.](https://docharvest.github.io/docs/astro/reference/errors/endpoint-did-not-return-aresponse/): 
- [Invalid Environment Variable](https://docharvest.github.io/docs/astro/reference/errors/env-invalid-variable/): 
- [Invalid environment variables.](https://docharvest.github.io/docs/astro/reference/errors/env-invalid-variables/): 
- [envPrefix conflicts with secret environment variables.](https://docharvest.github.io/docs/astro/reference/errors/env-prefix-conflicts-with-secret/): 
- [Unsupported astro:env getSecret](https://docharvest.github.io/docs/astro/reference/errors/env-unsupported-get-secret/): 
- [Expected src to be an image.](https://docharvest.github.io/docs/astro/reference/errors/expected-image/): 
- [Expected image options.](https://docharvest.github.io/docs/astro/reference/errors/expected-image-options/): 
- [Expected image options, not an ESM-imported image.](https://docharvest.github.io/docs/astro/reference/errors/expected-not-esmimage/): 
- [Failed to retrieve remote image dimensions.](https://docharvest.github.io/docs/astro/reference/errors/failed-to-fetch-remote-image-dimensions/): 
- [Astro couldn't find the correct page to render.](https://docharvest.github.io/docs/astro/reference/errors/failed-to-find-page-map-ssr/): 
- [Could not import file.](https://docharvest.github.io/docs/astro/reference/errors/failed-to-load-module-ssr/): 
- [Glob patterns are not supported in the file loader.](https://docharvest.github.io/docs/astro/reference/errors/file-glob-not-supported/): 
- [File parser not found.](https://docharvest.github.io/docs/astro/reference/errors/file-parser-not-found/): 
- [Font family not found.](https://docharvest.github.io/docs/astro/reference/errors/font-family-not-found/): 
- [Font file URL not found.](https://docharvest.github.io/docs/astro/reference/errors/font-file-url-not-found/): 
- [Forbidden rewrite to a static route.](https://docharvest.github.io/docs/astro/reference/errors/forbidden-rewrite/): 
- [Failed to generate content types.](https://docharvest.github.io/docs/astro/reference/errors/generate-content-types-error/): 
- [Invalid use of getDataEntryById or getEntryBySlug function.](https://docharvest.github.io/docs/astro/reference/errors/get-entry-deprecation-error/): 
- [getImage() must be used on the server.](https://docharvest.github.io/docs/astro/reference/errors/get-image-not-used-on-server/): 
- [Missing params property on getStaticPaths() route.](https://docharvest.github.io/docs/astro/reference/errors/get-static-paths-expected-params/): 
- [Invalid route parameter returned by getStaticPaths().](https://docharvest.github.io/docs/astro/reference/errors/get-static-paths-invalid-route-param/): 
- [getStaticPaths RSS helper is not available anymore.](https://docharvest.github.io/docs/astro/reference/errors/get-static-paths-removed-rsshelper/): 
- [getStaticPaths() function required for dynamic routes.](https://docharvest.github.io/docs/astro/reference/errors/get-static-paths-required/): 
- [The path doesn't contain any locale.](https://docharvest.github.io/docs/astro/reference/errors/i18n-no-locale-found-in-path/): 
- [Internationalization routing is not enabled.](https://docharvest.github.io/docs/astro/reference/errors/i18n-not-enabled/): 
- [Image missing required "alt" property.](https://docharvest.github.io/docs/astro/reference/errors/image-missing-alt/): 
- [Image not found.](https://docharvest.github.io/docs/astro/reference/errors/image-not-found/): 
- [Cannot set both densities and widths.](https://docharvest.github.io/docs/astro/reference/errors/incompatible-descriptor-options/): 
- [Function incompatible with the current strategy.](https://docharvest.github.io/docs/astro/reference/errors/incorrect-strategy-for-i18n/): 
- [Invalid component arguments.](https://docharvest.github.io/docs/astro/reference/errors/invalid-component-args/): 
- [Content entry data does not match schema.](https://docharvest.github.io/docs/astro/reference/errors/invalid-content-entry-data-error/): 
- [Content entry frontmatter does not match schema.](https://docharvest.github.io/docs/astro/reference/errors/invalid-content-entry-frontmatter-error/): 
- [Invalid content entry slug.](https://docharvest.github.io/docs/astro/reference/errors/invalid-content-entry-slug-error/): 
- [Invalid dynamic route.](https://docharvest.github.io/docs/astro/reference/errors/invalid-dynamic-route/): 
- [Invalid frontmatter injection.](https://docharvest.github.io/docs/astro/reference/errors/invalid-frontmatter-injection-error/): 
- [Invalid value returned by a route from getStaticPaths().](https://docharvest.github.io/docs/astro/reference/errors/invalid-get-static-path-param/): 
- [Invalid entry inside getStaticPaths()'s return value.](https://docharvest.github.io/docs/astro/reference/errors/invalid-get-static-paths-entry/): 
- [Invalid value returned by getStaticPaths().](https://docharvest.github.io/docs/astro/reference/errors/invalid-get-static-paths-return/): 
- [Invalid glob pattern.](https://docharvest.github.io/docs/astro/reference/errors/invalid-glob/): 
- [Invalid internationalization middleware configuration.](https://docharvest.github.io/docs/astro/reference/errors/invalid-i18n-middleware-configuration/): 
- [Error while loading image service.](https://docharvest.github.io/docs/astro/reference/errors/invalid-image-service/): 
- [Invalid prerender export.](https://docharvest.github.io/docs/astro/reference/errors/invalid-prerender-export/): 
- [Invalid redirect destination.](https://docharvest.github.io/docs/astro/reference/errors/invalid-redirect-destination/): 
- [You attempted to rewrite a 404 inside a static page, and this isn't allowed.](https://docharvest.github.io/docs/astro/reference/errors/invalid-rewrite404/): 
- [Legacy content config file found.](https://docharvest.github.io/docs/astro/reference/errors/legacy-content-config-error/): 
- [Error in live content config.](https://docharvest.github.io/docs/astro/reference/errors/live-content-config-error/): 
- [Local images must be imported.](https://docharvest.github.io/docs/astro/reference/errors/local-image-used-wrongly/): 
- [Value assigned to locals is not accepted.](https://docharvest.github.io/docs/astro/reference/errors/locals-not-an-object/): 
- [Astro.locals is not serializable](https://docharvest.github.io/docs/astro/reference/errors/locals-not-serializable/): 
- [locals must not be reassigned.](https://docharvest.github.io/docs/astro/reference/errors/locals-reassigned/): 
- [The configuration of the logger is not serializable.](https://docharvest.github.io/docs/astro/reference/errors/logger-configuration-not-serializable/): 
- [Content collection frontmatter invalid.](https://docharvest.github.io/docs/astro/reference/errors/markdown-content-schema-validation-error/): 
- [Failed to parse Markdown frontmatter.](https://docharvest.github.io/docs/astro/reference/errors/markdown-frontmatter-parse-error/): 
- [Image not found.](https://docharvest.github.io/docs/astro/reference/errors/markdown-image-not-found/): 
- [MDX integration missing.](https://docharvest.github.io/docs/astro/reference/errors/mdx-integration-missing-error/): 
- [Can't load the middleware.](https://docharvest.github.io/docs/astro/reference/errors/middleware-cant-be-loaded/): 
- [The middleware didn't return a Response.](https://docharvest.github.io/docs/astro/reference/errors/middleware-no-data-or-next-called/): 
- [The middleware returned something that is not a Response object.](https://docharvest.github.io/docs/astro/reference/errors/middleware-not-aresponse/): 
- [experimental_getFontFileURL() requires the request URL with on-demand rendering.](https://docharvest.github.io/docs/astro/reference/errors/missing-get-font-file-request-url/): 
- [Missing image dimensions.](https://docharvest.github.io/docs/astro/reference/errors/missing-image-dimension/): 
- [Index page not found.](https://docharvest.github.io/docs/astro/reference/errors/missing-index-for-internationalization/): 
- [The provided locale does not exist.](https://docharvest.github.io/docs/astro/reference/errors/missing-locale/): 
- [Missing value for client:media directive.](https://docharvest.github.io/docs/astro/reference/errors/missing-media-query-directive/): 
- [Enabled manual internationalization routing without having a middleware.](https://docharvest.github.io/docs/astro/reference/errors/missing-middleware-for-internationalization/): 
- [Could not find Sharp.](https://docharvest.github.io/docs/astro/reference/errors/missing-sharp/): 
- [Content and data cannot be in same collection.](https://docharvest.github.io/docs/astro/reference/errors/mixed-content-data-collection-error/): 
- [Cannot use server-side rendering without an adapter.](https://docharvest.github.io/docs/astro/reference/errors/no-adapter-installed/): 
- [Cannot use server islands without an adapter.](https://docharvest.github.io/docs/astro/reference/errors/no-adapter-installed-server-islands/): 
- [No client entrypoint specified in renderer.](https://docharvest.github.io/docs/astro/reference/errors/no-client-entrypoint/): 
- [Missing hint on client:only directive.](https://docharvest.github.io/docs/astro/reference/errors/no-client-only-hint/): 
- [Could not process image metadata.](https://docharvest.github.io/docs/astro/reference/errors/no-image-metadata/): 
- [No import found for component.](https://docharvest.github.io/docs/astro/reference/errors/no-matching-import/): 
- [No matching renderer found.](https://docharvest.github.io/docs/astro/reference/errors/no-matching-renderer/): 
- [No static path found for requested path.](https://docharvest.github.io/docs/astro/reference/errors/no-matching-static-path-found/): 
- [Prerendered routes aren't supported when internationalization domains are enabled.](https://docharvest.github.io/docs/astro/reference/errors/no-prerendered-routes-with-domains/): 
- [Invalid type returned by Astro page.](https://docharvest.github.io/docs/astro/reference/errors/only-response-can-be-returned/): 
- [Page number param not found.](https://docharvest.github.io/docs/astro/reference/errors/page-number-param-not-found/): 
- [Astro.clientAddress cannot be used inside prerendered routes.](https://docharvest.github.io/docs/astro/reference/errors/prerender-client-address-not-available/): 
- [Prerendered dynamic endpoint has path collision.](https://docharvest.github.io/docs/astro/reference/errors/prerender-dynamic-endpoint-path-collide/): 
- [Prerendered route generates the same path as another route.](https://docharvest.github.io/docs/astro/reference/errors/prerender-route-conflict/): 
- [A redirect must be given a location with the Location header.](https://docharvest.github.io/docs/astro/reference/errors/redirect-with-no-location/): 
- [Remote image is not allowed.](https://docharvest.github.io/docs/astro/reference/errors/remote-image-not-allowed/): 
- [Attempted to render an undefined content collection entry.](https://docharvest.github.io/docs/astro/reference/errors/render-undefined-entry-error/): 
- [Invalid slot name.](https://docharvest.github.io/docs/astro/reference/errors/reserved-slot-name/): 
- [Unable to set response.](https://docharvest.github.io/docs/astro/reference/errors/response-sent-error/): 
- [Astro couldn't find the route to rewrite, or if was found but it emitted an error during the rendering phase.](https://docharvest.github.io/docs/astro/reference/errors/rewrite-encountered-an-error/): 
- [Cannot use Astro.rewrite() after the request body has been read.](https://docharvest.github.io/docs/astro/reference/errors/rewrite-with-body-used/): 
- [Route not found.](https://docharvest.github.io/docs/astro/reference/errors/route-not-found/): 
- [Module is only available server-side.](https://docharvest.github.io/docs/astro/reference/errors/server-only-module/): 
- [Session storage was enabled but not configured.](https://docharvest.github.io/docs/astro/reference/errors/session-config-missing-error/): 
- [Session flag not set](https://docharvest.github.io/docs/astro/reference/errors/session-config-without-flag-error/): 
- [Session storage could not be initialized.](https://docharvest.github.io/docs/astro/reference/errors/session-storage-init-error/): 
- [Session data could not be saved.](https://docharvest.github.io/docs/astro/reference/errors/session-storage-save-error/): 
- [Sessions cannot be used with an adapter that doesn't support server output.](https://docharvest.github.io/docs/astro/reference/errors/session-without-supported-adapter-output-error/): 
- [Astro.clientAddress is not available in prerendered pages.](https://docharvest.github.io/docs/astro/reference/errors/static-client-address-not-available/): 
- [Astro.redirect is not available in static mode.](https://docharvest.github.io/docs/astro/reference/errors/static-redirect-not-available/): 
- [Unable to load the logger.](https://docharvest.github.io/docs/astro/reference/errors/unable-to-load-logger/): 
- [Unavailable Astro global in getStaticPaths().](https://docharvest.github.io/docs/astro/reference/errors/unavailable-astro-global/): 
- [Unhandled rejection.](https://docharvest.github.io/docs/astro/reference/errors/unhandled-rejection/): 
- [Unknown CLI error.](https://docharvest.github.io/docs/astro/reference/errors/unknown-clierror/): 
- [Unknown compiler error.](https://docharvest.github.io/docs/astro/reference/errors/unknown-compiler-error/): 
- [Unknown configuration error.](https://docharvest.github.io/docs/astro/reference/errors/unknown-config-error/): 
- [Unknown content collection error.](https://docharvest.github.io/docs/astro/reference/errors/unknown-content-collection-error/): 
- [Unknown CSS error.](https://docharvest.github.io/docs/astro/reference/errors/unknown-csserror/): 
- [An unknown error occurred while reading or writing files to disk.](https://docharvest.github.io/docs/astro/reference/errors/unknown-filesystem-error/): 
- [Unknown Markdown error.](https://docharvest.github.io/docs/astro/reference/errors/unknown-markdown-error/): 
- [Unknown Vite error.](https://docharvest.github.io/docs/astro/reference/errors/unknown-vite-error/): 
- [Unsupported transform in content config.](https://docharvest.github.io/docs/astro/reference/errors/unsupported-config-transform-error/): 
- [Unsupported or malformed URL.](https://docharvest.github.io/docs/astro/reference/errors/unsupported-external-redirect/): 
- [Unsupported image conversion.](https://docharvest.github.io/docs/astro/reference/errors/unsupported-image-conversion/): 
- [Unsupported image format.](https://docharvest.github.io/docs/astro/reference/errors/unsupported-image-format/): 
- [Configuring experimental flags](https://docharvest.github.io/docs/astro/reference/experimental-flags/): 
- [Experimental Chrome DevTools workspace](https://docharvest.github.io/docs/astro/reference/experimental-flags/chrome-devtools-workspace/): 
- [Experimental client prerendering](https://docharvest.github.io/docs/astro/reference/experimental-flags/client-prerender/): 
- [Experimental Intellisense for content collections](https://docharvest.github.io/docs/astro/reference/experimental-flags/content-intellisense/): 
- [Experimental SVG optimization](https://docharvest.github.io/docs/astro/reference/experimental-flags/svg-optimization/): 
- [Astro Font Provider API](https://docharvest.github.io/docs/astro/reference/font-provider-reference/): 
- [Image Service API](https://docharvest.github.io/docs/astro/reference/image-service-reference/): 
- [Astro Integration API](https://docharvest.github.io/docs/astro/reference/integrations-reference/): 
- [Legacy flags](https://docharvest.github.io/docs/astro/reference/legacy-flags/): 
- [Astro Logger API](https://docharvest.github.io/docs/astro/reference/logger-reference/): 
- [Actions API Reference](https://docharvest.github.io/docs/astro/reference/modules/astro-actions/): 
- [Adapter Server Entrypoint API Reference](https://docharvest.github.io/docs/astro/reference/modules/astro-app/): 
- [Image and Assets API Reference](https://docharvest.github.io/docs/astro/reference/modules/astro-assets/): 
- [Config imports API Reference](https://docharvest.github.io/docs/astro/reference/modules/astro-config/): 
- [Content Collections API Reference](https://docharvest.github.io/docs/astro/reference/modules/astro-content/): 
- [Environment Variables API Reference](https://docharvest.github.io/docs/astro/reference/modules/astro-env/): 
- [Fetch routing API reference](https://docharvest.github.io/docs/astro/reference/modules/astro-fetch/): 
- [Hono routing API reference](https://docharvest.github.io/docs/astro/reference/modules/astro-hono/): 
- [Internationalization API Reference](https://docharvest.github.io/docs/astro/reference/modules/astro-i18n/): 
- [Middleware API Reference](https://docharvest.github.io/docs/astro/reference/modules/astro-middleware/): 
- [Static Paths API Reference](https://docharvest.github.io/docs/astro/reference/modules/astro-static-paths/): 
- [View Transitions Router API Reference](https://docharvest.github.io/docs/astro/reference/modules/astro-transitions/): 
- [Zod API Reference](https://docharvest.github.io/docs/astro/reference/modules/astro-zod/): 
- [Programmatic Astro API (experimental)](https://docharvest.github.io/docs/astro/reference/programmatic-reference/): 
- [Astro Renderer API](https://docharvest.github.io/docs/astro/reference/renderer-reference/): 
- [Routing Reference](https://docharvest.github.io/docs/astro/reference/routing-reference/): 
- [Astro Session Driver API](https://docharvest.github.io/docs/astro/reference/session-driver-reference/): 
- [Build your first Astro Blog](https://docharvest.github.io/docs/astro/tutorial/0-introduction/): 
- [About this Tutorial](https://docharvest.github.io/docs/astro/tutorial/0-introduction/1/): 
- [Check in: Unit 1 - Setup](https://docharvest.github.io/docs/astro/tutorial/1-setup/): 
- [Prepare your dev environment](https://docharvest.github.io/docs/astro/tutorial/1-setup/1/): 
- [Create your first Astro project](https://docharvest.github.io/docs/astro/tutorial/1-setup/2/): 
- [Write your first line of Astro](https://docharvest.github.io/docs/astro/tutorial/1-setup/3/): 
- [Store your repository online](https://docharvest.github.io/docs/astro/tutorial/1-setup/4/): 
- [Deploy your site to the web](https://docharvest.github.io/docs/astro/tutorial/1-setup/5/): 
- [Check in: Unit 2 - Pages](https://docharvest.github.io/docs/astro/tutorial/2-pages/): 
- [Create your first Astro page](https://docharvest.github.io/docs/astro/tutorial/2-pages/1/): 
- [Write your first Markdown blog post](https://docharvest.github.io/docs/astro/tutorial/2-pages/2/): 
- [Add dynamic content about you](https://docharvest.github.io/docs/astro/tutorial/2-pages/3/): 
- [Style your About page](https://docharvest.github.io/docs/astro/tutorial/2-pages/4/): 
- [Add site-wide styling](https://docharvest.github.io/docs/astro/tutorial/2-pages/5/): 
- [Check in: Unit 3 - Components](https://docharvest.github.io/docs/astro/tutorial/3-components/): 
- [Make a reusable Navigation component](https://docharvest.github.io/docs/astro/tutorial/3-components/1/): 
- [Create a social media footer](https://docharvest.github.io/docs/astro/tutorial/3-components/2/): 
- [Build it yourself - Header](https://docharvest.github.io/docs/astro/tutorial/3-components/3/): 
- [Send your first script to the browser](https://docharvest.github.io/docs/astro/tutorial/3-components/4/): 
- [Check in: Unit 4 - Layouts](https://docharvest.github.io/docs/astro/tutorial/4-layouts/): 
- [Build your first layout](https://docharvest.github.io/docs/astro/tutorial/4-layouts/1/): 
- [Create and pass data to a custom blog layout](https://docharvest.github.io/docs/astro/tutorial/4-layouts/2/): 
- [Combine layouts to get the best of both worlds](https://docharvest.github.io/docs/astro/tutorial/4-layouts/3/): 
- [Check in: Unit 5 - Astro API](https://docharvest.github.io/docs/astro/tutorial/5-astro-api/): 
- [Create a blog post archive](https://docharvest.github.io/docs/astro/tutorial/5-astro-api/1/): 
- [Generate tag pages](https://docharvest.github.io/docs/astro/tutorial/5-astro-api/2/): 
- [Build a tag index page](https://docharvest.github.io/docs/astro/tutorial/5-astro-api/3/): 
- [Add an RSS feed](https://docharvest.github.io/docs/astro/tutorial/5-astro-api/4/): 
- [Check in: Unit 6 - Astro Islands](https://docharvest.github.io/docs/astro/tutorial/6-islands/): 
- [Build your first Astro island](https://docharvest.github.io/docs/astro/tutorial/6-islands/1/): 
- [Back on dry land. Take your blog from day to night, no island required!](https://docharvest.github.io/docs/astro/tutorial/6-islands/2/): 
- [Congratulations!](https://docharvest.github.io/docs/astro/tutorial/6-islands/3/): 
- [Optional: Make a content collection](https://docharvest.github.io/docs/astro/tutorial/6-islands/4/): 
- [Upgrade Astro](https://docharvest.github.io/docs/astro/upgrade-astro/):