Update Dockerfile

Dockerfile

@@ -16,6 +16,9 @@ USER appuser
 WORKDIR /home/appuser/app
 RUN mkdir -p voices config
 
+# Install piper
+RUN --mount=type=cache,target=/home/appuser/.cache/pip pip install piper
+
 ARG USE_ROCM
 ENV USE_ROCM=${USE_ROCM}
 
@@ -23,6 +26,7 @@ COPY requirements*.txt /home/appuser/app/
 RUN --mount=type=cache,target=/home/appuser/.cache/pip pip install -r requirements.txt
 
 COPY *.py *.sh *.default.yaml README.md LICENSE /home/appuser/app/
+RUN chmod +x *.sh  # Ensure scripts are executable
 
 ARG PRELOAD_MODEL
 ENV PRELOAD_MODEL=${PRELOAD_MODEL}