fix some for api download pic

apps/api/src/modules/admin-uploads/public-uploads.controller.ts

@@ -0,0 +1,28 @@
+import { Controller, Get, Header, NotFoundException, Param, StreamableFile } from '@nestjs/common';
+import { createReadStream } from 'node:fs';
+import { Public } from '../auth/guards';
+import { mimeForUpload, resolveStoredUpload } from './upload-path';
+
+/**
+ * Public file serving at GET /api/uploads/:filename.
+ *
+ * ProductImage.url is stored as `/uploads/<file>`, which nginx proxies. Shoppers
+ * and operators also hit `/api/uploads/<file>` (user-app axios base is `/api`,
+ * and the API Dokploy domain sits behind the same prefix). useStaticAssets only
+ * mounts `/uploads/`, so those requests 404'd with Nest's "Cannot GET /api/uploads/...".
+ */
+@Public()
+@Controller('uploads')
+export class PublicUploadsController {
+  @Get(':filename')
+  @Header('Cache-Control', 'public, max-age=86400')
+  stream(@Param('filename') filename: string): StreamableFile {
+    const file = resolveStoredUpload(filename);
+    if (!file) throw new NotFoundException('فایل یافت نشد');
+
+    return new StreamableFile(createReadStream(file), {
+      type: mimeForUpload(file) ?? 'application/octet-stream',
+      disposition: 'inline',
+    });
+  }
+}