Rename Dockerfile properly

Dockerfile

@@ -0,0 +1,17 @@
+FROM python:3.9
+
+# Set working directory inside the container
+WORKDIR /code
+
+# Install dependencies
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the rest of the app
+COPY . .
+
+# Expose Hugging Face default port
+EXPOSE 7860
+
+# Start the Flask app with Gunicorn
+CMD ["gunicorn", "app:app", "--bind", "0.0.0.0:7860"]