Update Dockerfile

Dockerfile

@@ -1,9 +1,11 @@
 # Use the official Python image as the base image
 FROM python:3.9-slim
 
-# Install system dependencies (espeak-ng for text-to-speech)
+# Install system dependencies (espeak-ng for text-to-speech and build tools for SentencePiece)
 RUN apt-get update && apt-get install -y \
     espeak-ng \
+    build-essential \
+    cmake \
     && rm -rf /var/lib/apt/lists/*
 
 # Copy the requirements file into the container