Update app.py

app.py

@@ -15,7 +15,7 @@ class HtmlInput(BaseModel):
 
 
 async def convert_html_to_image(html, output_file, width=612, height=800, device_scale_factor=2):
-    browser = await launch()
+    browser = await launch(headless=True, args=['--no-sandbox', '--disable-setuid-sandbox'])
     page = await browser.newPage()
     await page.setViewport({'width': width, 'height': height, 'deviceScaleFactor': device_scale_factor})
     await page.setContent(html)