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upstream-twenty/packages/twenty-docs/l/cs/developers/extend/apps/config/public-assets.mdx
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---
title: Veřejné soubory
description: Doručujte statické soubory — obrázky, ikony, písma — spolu se svou aplikací prostřednictvím složky public/.
icon: folder-open
---
Složka `public/` v kořenu vaší aplikace obsahuje statické soubory — obrázky, ikony, písma a další prostředky, které vaše aplikace potřebuje za běhu. Tyto soubory jsou automaticky zahrnuty do buildů, synchronizovány během vývojového režimu a nahrávány na server.
Soubory umístěné v `public/` jsou:
* **Veřejně přístupné** — po synchronizaci na server jsou prostředky dostupné na veřejné URL. K přístupu k nim není potřeba žádná autentizace.
* **Dostupné ve frontendových komponentách** — použijte URL prostředků k zobrazení obrázků, ikon či jiných médií uvnitř komponent Reactu.
* **Dostupné v logických funkcích** — odkazujte na URL prostředků v e-mailech, odpovědích API či jiné serverové logice.
* **Používány pro metadata Marketplace** — pole `logo` a `galleryImages` v `defineApplication()` odkazují na soubory z této složky (např. `public/logo.png`). Zobrazují se v Marketplace, když je vaše aplikace zveřejněna. Pro tato pole jsou externí absolutní adresy URL ignorovány — místo toho přibalte obrázky do `public/`. Každý obrázek nesmí přesáhnout velikost 10 MB.
* **Automaticky synchronizované ve vývojovém režimu** — když v `public/` přidáte, aktualizujete nebo smažete soubor, je automaticky synchronizován na server. Není potřeba restartovat.
* **Zahrnuté do buildů** — `yarn twenty dev:build` zabalí všechny veřejné prostředky do distribučního výstupu.
## Přístup k veřejným prostředkům pomocí `getPublicAssetUrl`
K získání plné URL souboru ve vaší složce `public/` použijte pomocnou funkci `getPublicAssetUrl` z `twenty-sdk`. Funguje jak v logických funkcích, tak ve frontendových komponentách.
**V logické funkci:**
```ts src/logic-functions/send-invoice.ts
import { defineLogicFunction } from 'twenty-sdk/define';
import { getPublicAssetUrl } from 'twenty-sdk/utils';
const handler = async (): Promise<any> => {
const logoUrl = getPublicAssetUrl('logo.png');
const invoiceUrl = getPublicAssetUrl('templates/invoice.png');
// Fetch the file content (no auth required — public endpoint)
const response = await fetch(invoiceUrl);
const buffer = await response.arrayBuffer();
return { logoUrl, size: buffer.byteLength };
};
export default defineLogicFunction({
universalIdentifier: 'a1b2c3d4-...',
name: 'send-invoice',
description: 'Sends an invoice with the app logo',
timeoutSeconds: 10,
handler,
});
```
**Ve frontendové komponentě:**
```tsx src/front-components/company-card.tsx
import { defineFrontComponent } from 'twenty-sdk/define';
import { getPublicAssetUrl } from 'twenty-sdk/utils';
const CompanyCard = () => {
const logoUrl = getPublicAssetUrl('logo.png');
return <img src={logoUrl} alt="App logo" />;
};
export default defineFrontComponent({
universalIdentifier: '...',
name: 'company-card',
component: CompanyCard,
});
```
Argument `path` je relativní ke složce `public/` vaší aplikace. Jak `getPublicAssetUrl('logo.png')`, tak `getPublicAssetUrl('public/logo.png')` se vyhodnotí na stejnou URL — předpona `public/` je, je-li přítomna, automaticky odstraněna.