Update Dockerfile

Dockerfile

@@ -9,5 +9,9 @@ WORKDIR /app
 COPY --chown=user ./requirements.txt requirements.txt
 RUN pip install --no-cache-dir --upgrade -r requirements.txt
 
+RUN apt-get update && apt-get -y install espeak
+
+EXPOSE 8000
+
 COPY --chown=user . /app
-CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "7860", "--reload"]
+CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "8000", "--reload"]