FROM python:3.10-slim

# Install system dependencies
RUN apt-get update && apt-get install -y \
    build-essential \
    curl \
    git \
    libsndfile1 \
    ffmpeg \
    libavcodec-extra \
    espeak \
    espeak-data \
    libespeak1 \
    libespeak-dev \
    wget \
    unzip \
    && apt-get clean \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /app

# Copy requirements first for better caching
COPY requirements.txt .

# Upgrade pip and install requirements
RUN pip install --no-cache-dir --upgrade pip
RUN pip install --no-cache-dir -r requirements.txt

# Copy application files
COPY . .

# Create directories for models and outputs
RUN mkdir -p /app/models
RUN mkdir -p /app/outputs
RUN mkdir -p /app/reference_voices
RUN mkdir -p /app/temp

# Set environment variables
ENV PYTHONPATH=/app
ENV STREAMLIT_SERVER_PORT=8501
ENV STREAMLIT_SERVER_ADDRESS=0.0.0.0

# Expose port
EXPOSE 8501

# Health check
HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health || exit 1

# Run the application
CMD ["streamlit", "run", "app.py", "--server.port=8501", "--server.address=0.0.0.0"]