Update app.py

app.py

@@ -15,7 +15,22 @@ class HtmlInput(BaseModel):
 
 
 async def convert_html_to_image(html, output_file, width=612, height=800, device_scale_factor=2):
-    browser = await launch(headless=True, args=['--no-sandbox', '--disable-setuid-sandbox'])
+    browser = await launch(
+        headless=True,
+        args=[
+            '--no-sandbox',
+            '--disable-setuid-sandbox',
+            '--disable-gpu',
+            '--disable-dev-shm-usage',  # Try to disable /dev/shm usage
+            '--disable-software-rasterizer',
+            '--disable-accelerated-2d-canvas',
+            '--disable-infobars',
+            '--disable-extensions',
+            '--disable-features=NetworkService',
+            '--disable-features=VizDisplayCompositor',
+            '--window-size=612,800'
+        ]
+    )
     page = await browser.newPage()
     await page.setViewport({'width': width, 'height': height, 'deviceScaleFactor': device_scale_factor})
     await page.setContent(html)