FROM python:3.10-slim

WORKDIR /app

# Install system dependencies needed for audio & builds
RUN apt-get update && apt-get install -y \
    git \
    build-essential \
    ffmpeg \
    libsndfile1 \
    && rm -rf /var/lib/apt/lists/*

ENV NLTK_DATA=/app/nltk_data
RUN mkdir -p /app/nltk_data

# Copy requirements first to leverage Docker cache
COPY requirements.txt .

# Install Python dependencies, including MeloTTS from git (add it to requirements.txt)
RUN pip install --no-cache-dir -r requirements.txt

# Run unidic download (needed by your app)
RUN python -m unidic download

# Copy the rest of the app code
COPY . .

# Expose the port your Gradio app uses (default 7860)
EXPOSE 7860

# Run your app
CMD ["python", "app.py"]