Dockerfile

# STAGE 1: Builder image, used to build the virtual environment

FROM python:3.12-bookworm AS builder

RUN curl -sSL https://install.python-poetry.org | python3 -

ENV POETRY_CACHE_DIR=/tmp/poetry_cache
ENV POETRY_VIRTUALENVS_IN_PROJECT=1
ENV POETRY_VIRTUALENVS_CREATE=1
ENV PATH="/root/.local/bin:$PATH"

WORKDIR /app

COPY pyproject.toml ./
COPY poetry.lock ./
RUN touch README.md

RUN poetry install --no-interaction --no-root && rm -rf $POETRY_CACHE_DIR

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# STAGE 2: Runtime image, used to run the code in the virtual environment

FROM python:3.12-slim-bookworm AS runtime

ENV VIRTUAL_ENV=/app/.venv
ENV PATH="/app/.venv/bin:$PATH"

COPY --from=builder ${VIRTUAL_ENV} ${VIRTUAL_ENV}
COPY pyproject.toml ./pyproject.toml
COPY src ./src

ENTRYPOINT ["uvicorn", "src.app:app", "--host", "0.0.0.0", "--port", "8080"]