Update Dockerfile

Dockerfile

@@ -5,9 +5,17 @@ RUN apt-get update && apt-get install -y \
     espeak-ng \
     && rm -rf /var/lib/apt/lists/*
 
-# Python deps
+# Set environment variable to avoid caching issues
+ENV PYTHONPYCACHEPREFIX=/tmp/pycache
+ENV LIBROSA_CACHE_DIR=/tmp/librosa_cache
+
+# Set working directory
+WORKDIR /app
+
+# Copy and install Python dependencies
 COPY requirements.txt .
-RUN pip install -r requirements.txt
+RUN pip install --no-cache-dir -r requirements.txt
+
 
 # App
 COPY app.py .