FROM python:3.13-slim

# Install FFmpeg, system dependencies, and gosu from APT
RUN apt-get update && \
    apt-get install -y --no-install-recommends \
        ffmpeg \
        ca-certificates \
        gosu \
        && \
    apt-get clean && \
    rm -rf /var/lib/apt/lists/*

# Set Python environment variables
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1

# Set working directory
WORKDIR /app

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

# Copy backend code
COPY web/backend /app/backend

# Copy and install audio_splitter package
COPY audio_splitter /app/audio_splitter
COPY setup.py pyproject.toml README.md /app/
RUN pip install --no-cache-dir /app

# Create a non-root user
RUN addgroup --system --gid 1000 appgroup && \
    adduser --system --uid 1000 --ingroup appgroup appuser && \
    chown -R appuser:appgroup /app

# Copy entrypoint script
COPY web/backend/docker-entrypoint.sh /docker-entrypoint.sh
RUN chmod +x /docker-entrypoint.sh

# Set entrypoint
ENTRYPOINT ["/docker-entrypoint.sh"]

# Expose port
EXPOSE 8000