# Use Python 3.11 slim image for a smaller footprint
FROM python:3.11-slim

# Set environment variables
ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PIP_NO_CACHE_DIR=1 \
    PIP_DISABLE_PIP_VERSION_CHECK=1 \
    HOME=/home/appuser \
    APP_HOME=/home/appuser/app

# Create non-root user and setup directories
RUN groupadd -g 1000 appgroup && \
    useradd -m -u 1000 -g appgroup -s /bin/bash -d ${HOME} appuser && \
    mkdir -p ${APP_HOME} && \
    mkdir -p ${APP_HOME}/data && \
    chown -R appuser:appgroup ${HOME}

# Set the working directory
WORKDIR ${APP_HOME}

# Install dependencies
COPY --chown=appuser:appgroup requirements.txt ${APP_HOME}/
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY --chown=appuser:appgroup . ${APP_HOME}/

# Switch to non-root user
USER appuser

# Expose port
EXPOSE 8000

# Command to run the application
CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]