FROM python:3.9-slim

ARG DB_ENGINE=sqlite

WORKDIR /app

RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    && if [ "$DB_ENGINE" = "postgres" ]; then \
        apt-get install -y libpq-dev; \
    fi \
    && rm -rf /var/lib/apt/lists/* \
    && if [ "$DB_ENGINE" = "postgres" ]; then \
        pip install psycopg2-binary; \
    fi

COPY /src/requirements.txt .

RUN pip install --no-cache-dir -r requirements.txt

RUN if [ "$DB_ENGINE" = "sqlite" ]; then \
        mkdir -p /data/db; \
    fi

RUN mkdir -p /data/db
COPY src/ ./src/

COPY entrypoint.sh /entrypoint.sh
RUN chmod +x /entrypoint.sh

ENTRYPOINT ["/entrypoint.sh"]
CMD ["gunicorn", "config.wsgi:application", "--bind", "0.0.0.0:8000"]