# Base image
FROM python:3.11-slim

# -------------------
# Environment
# -------------------
ENV PYTHONUNBUFFERED=1 \
    TZ=UTC \
    HOME=/home/user \
    PATH=/home/user/.local/bin:$PATH

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

# -------------------
# Create non-root user (UID 1000 for Hugging Face)
# -------------------
RUN useradd -m -u 1000 user

# -------------------
# Create workdir and set ownership
# -------------------
WORKDIR /app
RUN chown -R user:user /app

# -------------------
# Copy code with proper ownership
# -------------------
COPY --chown=user:user requirements.txt .
RUN pip install --no-cache-dir --user -r requirements.txt

COPY --chown=user:user app ./app
COPY --chown=user:user models ./models

# -------------------
# Expose port
# -------------------
EXPOSE 7860

# -------------------
# Run FastAPI
# -------------------
CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "7860", "--workers", "1"]