Update Dockerfile

Dockerfile

@@ -1,5 +1,5 @@
-# Use an official Python runtime as a parent image
-FROM python:3.9
+# Use a slim official Python runtime as a parent image
+FROM python:3.9-slim
 
 # Set environment variables to accept the TTS licenses
 ENV TTS_ACCEPT_TOS=1
@@ -10,11 +10,20 @@ ENV COQUI_LICENSE_AGREEMENT=n
 # Set the working directory in the container
 WORKDIR /app
 
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    libsndfile1 \
+    libasound2-dev \
+    libportaudio2 \
+    libportaudiocpp0 \
+    portaudio19-dev \
+    && rm -rf /var/lib/apt/lists/*
+
 # Copy the requirements.txt first to leverage Docker cache
 COPY requirements.txt /app/
 
 # Install the dependencies
-RUN pip install --no-cache-dir -r requirements.txt
+RUN pip install --no-cache-dir --upgrade -r requirements.txt
 
 # Copy the rest of the application code
 COPY . /app