Update Dockerfile

Dockerfile

@@ -2,7 +2,7 @@ FROM python:3.10-slim
 
 WORKDIR /app
 
-# Install system dependencies for audio processing
+# Install system dependencies for audio processing and TTS
 RUN apt-get update && apt-get install -y \
     build-essential \
     curl \
@@ -10,6 +10,10 @@ RUN apt-get update && apt-get install -y \
     libsndfile1 \
     ffmpeg \
     libavcodec-extra \
+    espeak \
+    espeak-data \
+    libespeak1 \
+    libespeak-dev \
     && apt-get clean \
     && rm -rf /var/lib/apt/lists/*
 
@@ -18,6 +22,9 @@ COPY requirements.txt .
 RUN pip install --no-cache-dir --upgrade pip
 RUN pip install --no-cache-dir -r requirements.txt
 
+# Pre-download TTS models to speed up first run
+RUN python -c "from TTS.api import TTS; TTS('tts_models/multilingual/multi-dataset/xtts_v2')"
+
 # Copy application
 COPY . .