Dockerfile

# =========================
# 🧱 STAGE 1 - BUILDER
# =========================
FROM python:3.12-slim AS builder

WORKDIR /app

RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

RUN pip install --no-cache-dir poetry

COPY pyproject.toml poetry.lock ./

RUN poetry config virtualenvs.create false && \
    poetry install --no-root --no-interaction --no-ansi

# =========================
# 🚀 STAGE 2 - RUNTIME
# =========================
FROM python:3.12-slim

WORKDIR /app

RUN apt-get update && apt-get install -y --no-install-recommends \
    libjpeg-dev \
    zlib1g-dev \
    && rm -rf /var/lib/apt/lists/*

COPY --from=builder /usr/local /usr/local

COPY . .

RUN mkdir -p academic_projects assignments

EXPOSE 8000

ENV PYTHONUNBUFFERED=1
ENV PYTHONDONTWRITEBYTECODE=1

CMD ["python", "main.py", "--web"]