app.py

import gradio as gr
import spaces

# Dummy function for ZeroGPU boot validation (keep it)
@spaces.GPU
def fix_startup_check():
    """Dummy function to pass HF ZeroGPU boot validation."""
    return None

# Your actual app code
def say_hello(name: str) -> str:
    return f"Hello {name}!"

demo = gr.Interface(
    fn=say_hello,
    inputs="text",
    outputs="text",
    api_name="say_hello"   # explicit endpoint name (optional)
)

# IMPORTANT: bind to 0.0.0.0 so zrok can forward traffic
demo.launch(server_name="0.0.0.0", server_port=7860)