Update app.py

app.py

@@ -1,24 +1,24 @@
-# Use an official Python runtime as a parent image
-FROM python:3.9-slim
+from flask import Flask, send_from_directory
 
-# Set the working directory in the container
-WORKDIR /app
+# Initialize the Flask application
+# The static_folder is set to the current directory to serve all frontend files.
+app = Flask(__name__, static_folder='.', static_url_path='')
 
-# Copy the requirements file into the container at /app
-# This is done first to leverage Docker's layer caching
-COPY requirements.txt .
+@app.route('/')
+def index():
+    """Serves the main HTML file for the web application."""
+    return send_from_directory('.', 'index.html')
 
-# Install any needed packages specified in requirements.txt
-RUN pip install --no-cache-dir -r requirements.txt
+@app.route('/sw.js')
+def serve_sw():
+    """Serves the Service Worker file."""
+    return send_from_directory('.', 'sw.js')
 
-# Copy the rest of your application files into the container
-COPY . .
+@app.route('/manifest.json')
+def serve_manifest():
+    """Serves the PWA manifest file."""
+    return send_from_directory('.', 'manifest.json')
 
-# Make port 7860 available to the world outside this container
-# This is the standard port for Hugging Face Spaces
-EXPOSE 7860
+# The 'if __name__ == "__main__"' block is removed.
+# Gunicorn will directly interface with the 'app' object.
 
-# Run the Gunicorn server when the container launches
-# It will serve your Flask 'app' object from the 'app.py' file
-CMD ["gunicorn", "--bind", "0.0.0.0:7860", "app:app"]
-```