Dockerfile

FROM python:3.10-slim as python-base

ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    \
    # pip
    PIP_DISABLE_PIP_VERSION_CHECK=on \
    PIP_DEFAULT_TIMEOUT=100 \
    \
    POETRY_VERSION=1.7.0 \
    POETRY_HOME="/opt/poetry" \
    POETRY_VIRTUALENVS_IN_PROJECT=true \
    POETRY_NO_INTERACTION=1 \
    \
    PYSETUP_PATH="/opt/pysetup" \
    VENV_PATH="/opt/pysetup/.venv"


# prepend poetry and venv to path
ENV PATH="$POETRY_HOME/bin:$VENV_PATH/bin:$PATH"


FROM python-base as builder-base
RUN apt-get update \
    && apt-get install --no-install-recommends -y \
        curl \
        build-essential

RUN --mount=type=cache,target=/root/.cache \
    curl -sSL https://install.python-poetry.org | python3 -

# copy project requirement files here to ensure they will be cached.
WORKDIR $PYSETUP_PATH
COPY poetry.lock pyproject.toml ./

# install runtime deps - uses $POETRY_VIRTUALENVS_IN_PROJECT internally
RUN --mount=type=cache,target=/root/.cache \
    poetry install --without=dev && pip install psycopg2-binary pytest pytest-cov pytest-mock


FROM python-base as development
ENV ENV=test
WORKDIR $PYSETUP_PATH

COPY --from=builder-base $POETRY_HOME $POETRY_HOME
COPY --from=builder-base $PYSETUP_PATH $PYSETUP_PATH

RUN --mount=type=cache,target=/root/.cache \
    poetry install --with=dev 

WORKDIR /app

EXPOSE 8000
ENTRYPOINT ["python", "-m", "gymhero.server"]



FROM python-base as production
ENV ENV=dev
COPY --from=builder-base $PYSETUP_PATH $PYSETUP_PATH
COPY . /app
WORKDIR /app
ENTRYPOINT ["python", "-m", "gymhero.server"]