Update Dockerfile

Dockerfile

@@ -34,7 +34,7 @@ RUN pip install --no-cache-dir --upgrade -r requirements.txt
 RUN pip install git+https://github.com/DrewThomasson/coqui-ai-TTS.git@dev
 
 # Remove vietnamese from the xtts list
-RUN sed -i '/"vie": "vi",/d' /path/to/lib/lang.py
+RUN sed -i '/"vie": "vi",/d' lib/lang.py
 
 # Expose the required port
 EXPOSE 7860