FROM python:3.12.13-bookworm AS builder

ENV PYTHONUNBUFFERED=1
ARG POETRY_VERSION=2.3.2

# Install system build dependencies required for building and compiling Python packages
RUN apt-get update \
    && apt-get install -y --no-install-recommends \
        build-essential \
        libssl-dev \
        libffi-dev \
        python3-dev \
        cargo \
        git \
        curl \
        ca-certificates \
    && rm -rf /var/lib/apt/lists/*

# Install Poetry (exact version per blueprint)
RUN python -m pip install --no-cache-dir poetry==${POETRY_VERSION}

WORKDIR /app

# Copy only pyproject.toml and poetry.lock first to leverage caching
COPY pyproject.toml poetry.lock* /app/

ENV POETRY_VIRTUALENVS_CREATE=false

# Install dependencies for the project (build-time step)
# Use --no-root to avoid installing the current project as a package (prevents missing README issue)
RUN poetry install --no-interaction --no-ansi --no-root

# Copy the rest of the repository
COPY . /app

# Build the project from source (wheel will be placed in dist/)
RUN poetry build

# Runtime image: minimal Python environment with Poetry installed from the built wheel
FROM python:3.12.13-bookworm

ENV PYTHONUNBUFFERED=1

WORKDIR /app

# Copy built wheel from builder stage (explicit name to avoid wildcard issues)
COPY --from=builder /app/dist/poetry-2.3.2-py3-none-any.whl /dist/poetry-2.3.2-py3-none-any.whl

# Install the built Poetry wheel into the runtime image
RUN python -m pip install --no-cache-dir /dist/poetry-2.3.2-py3-none-any.whl

ENTRYPOINT ["poetry"]
CMD ["--version"]