Update Dockerfile

Dockerfile

@@ -12,13 +12,14 @@ COPY . .
 # Install Python dependencies
 RUN pip install --no-cache-dir --upgrade -r requirements.txt
 
-# Set permissions for unidic
-RUN mkdir -p /usr/local/lib/python3.10/site-packages/unidic \
-    && chmod -R 777 /usr/local/lib/python3.10/site-packages/unidic
+# Set permissions for directories used by TTS
+RUN mkdir -p /app/.local && chmod -R 777 /app/.local
 
 # Resolve numba caching issue by setting the NUMBA_CACHE_DIR environment variable
 ENV NUMBA_CACHE_DIR=/tmp/numba_cache
-RUN mkdir -p /tmp/numba_cache \
-    && chmod -R 777 /tmp/numba_cache
+RUN mkdir -p /tmp/numba_cache && chmod -R 777 /tmp/numba_cache
+
+# Set environment variable for the model download path
+ENV XDG_CACHE_HOME=/app/.local
 
 CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860"]