Create absolute minimal setup with debugging

Dockerfile

@@ -1,11 +1,15 @@
-FROM python:3.9-slim
+FROM python:3.9
 
 WORKDIR /app
 
-RUN pip install --no-cache-dir gradio==4.16.0
+RUN python -c "print('Python is working')"
+
+RUN pip install --no-cache-dir gradio==4.16.0 && \
+    python -c "import gradio; print('Gradio version:', gradio.__version__)"
 
 COPY app.py .
+RUN python -c "import os; print('Contents of /app:', os.listdir('.'))"
 
 EXPOSE 7860
 
-CMD ["python", "app.py"] 
+CMD ["python", "-u", "app.py"] 

app.py

@@ -1,20 +1,20 @@
+print("Starting app.py...")
+
 import gradio as gr
+print("Successfully imported gradio")
 
-def generate_video(prompt, reference_image):
-    # For now, just return a message
-    return f"Received request to generate video with prompt: {prompt}"
+def hello(name):
+    print(f"Received request with name: {name}")
+    return f"Hello {name}!"
 
+print("Creating Gradio interface...")
 demo = gr.Interface(
-    fn=generate_video,
-    inputs=[
-        gr.Textbox(label="Prompt"),
-        gr.Image(label="Reference Image")
-    ],
+    fn=hello,
+    inputs="text",
     outputs="text",
-    title="MuseV Demo",
-    description="Generate videos from text and reference images"
+    title="Basic Test"
 )
 
 if __name__ == "__main__":
-    print("Starting MuseV Demo...")
+    print("Launching demo...")
     demo.launch(server_name="0.0.0.0", server_port=7860)