Updated Dockerfile and requirements for Hugging Face

Dockerfile

@@ -9,7 +9,8 @@ RUN apt-get update && apt-get install -y \
     libportaudio2 \
     portaudio19-dev \
     ffmpeg \
-    && apt-get clean
+    && rm -rf /var/lib/apt/lists/*
+    
 
 # Install Python dependencies
 COPY Web_app/requirements.txt ./requirements.txt
@@ -19,6 +20,9 @@ RUN pip install --no-cache-dir -r requirements.txt
 # Copy application code
 COPY Web_app .
 
+# Set environment variable to avoid matplotlib config errors
+ENV MPLCONFIGDIR=/tmp
+
 # Expose the port Flask runs on
 EXPOSE 5000