Create app.py

app.py

@@ -0,0 +1,37 @@
+import gradio as gr
+import tempfile
+from playwright.sync_api import sync_playwright
+
+# --------------------------------
+# HTML → PNG function
+# --------------------------------
+def html_to_png(html_path):
+    output_png = tempfile.NamedTemporaryFile(
+        delete=False, suffix=".png"
+    ).name
+
+    with sync_playwright() as p:
+        browser = p.chromium.launch(
+            args=["--no-sandbox", "--disable-dev-shm-usage"]
+        )
+        page = browser.new_page(
+            viewport={"width": 2000, "height": 1414}
+        )
+        page.goto(f"file://{html_path}", wait_until="networkidle")
+        page.screenshot(path=output_png)
+        browser.close()
+
+    return output_png  # ✅ MUST RETURN FILE PATH
+
+# --------------------------------
+# Gradio Interface (API)
+# --------------------------------
+demo = gr.Interface(
+    fn=html_to_png,
+    inputs=gr.File(type="filepath", label="HTML Input"),
+    outputs=gr.File(type="filepath", label="PNG Output"),
+    title="HTML → PNG Certificate API",
+    description="Production-ready HTML to PNG API"
+)
+
+demo.launch(ssr_mode=False)