Update Dockerfile

Dockerfile

@@ -1,19 +1,28 @@
+# Base Python image
 FROM python:3.10-slim
 
+# Set environment vars
+ENV NUMBA_CACHE_DIR=/tmp/numba_cache \
+    PYTHONUNBUFFERED=1 \
+    HF_HUB_DISABLE_SYMLINKS_WARNING=1
+
 # Install system dependencies
-RUN apt-get update && apt-get install -y espeak ffmpeg git && rm -rf /var/lib/apt/lists/*
+RUN apt-get update && apt-get install -y \
+    ffmpeg libsndfile1 libgl1 git \
+    && apt-get clean
 
-# Set working directory
+# Set workdir
 WORKDIR /app
 
-# Copy files
+# Copy all app files
 COPY . .
 
 # Install Python dependencies
-RUN pip install --upgrade pip && pip install -r requirements.txt
+RUN pip install --upgrade pip && \
+    pip install -r requirements.txt
 
-# Expose the port used by Flask
+# Expose port
 EXPOSE 7860
 
-# Run your app
+# Run Flask app
 CMD ["python", "app.py"]