FROM python:3.10-slim

# System deps
RUN apt-get update && apt-get install -y \
    espeak-ng \
    && rm -rf /var/lib/apt/lists/*

# Set environment variable to avoid caching issues
ENV PYTHONPYCACHEPREFIX=/tmp/pycache
ENV LIBROSA_CACHE_DIR=/tmp/librosa_cache

# Prevent Numba/librosa caching errors
ENV NUMBA_DISABLE_CACHE=1

# Set working directory
WORKDIR /app


# Copy and install Python dependencies
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt


# App
COPY app.py .

CMD ["python", "app.py"]