Dockerfile

ARG PYTHON_VERSION=3.9

FROM python:${PYTHON_VERSION}-slim as python-base
ENV PYTHONUNBUFFERED=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PIP_NO_CACHE_DIR=off \
    PIP_DISABLE_PIP_VERSION_CHECK=on \
    PIP_DEFAULT_TIMEOUT=100 \
    POETRY_HOME="/opt/poetry" \
    POETRY_VIRTUALENVS_IN_PROJECT=true \
    POETRY_NO_INTERACTION=1 \
    PYSETUP_PATH="/opt/pysetup" \
    VENV_PATH="/opt/pysetup/.venv"

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 \
        libpq-dev \
        git

# Install Poetry - respects $POETRY_VERSION & $POETRY_HOME
ENV POETRY_VERSION=1.3.2
RUN curl -sSL https://install.python-poetry.org | python

# We copy our Python requirements here to cache them
# and install only runtime deps using poetry
WORKDIR $PYSETUP_PATH
COPY . .
RUN poetry install

FROM python-base as production
ENV FASTAPI_ENV=production

COPY --from=builder-base $VENV_PATH $VENV_PATH

COPY . /app
WORKDIR /app

CMD python samples/otp_web_sample_app.py