Dockerfile

# Build image with Poetry
FROM python:3.8-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 \
        swig \
    && rm -rf /var/lib/apt/lists/*

RUN curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | python

WORKDIR $PYSETUP_PATH
COPY poetry.lock pyproject.toml ./

RUN poetry install --no-dev
RUN pip install uvloop 

# Production image
FROM python-base as production

COPY --from=builder-base $PYSETUP_PATH $PYSETUP_PATH
COPY . /app/
WORKDIR /app
    
CMD [ "gunicorn", "-k", "uvicorn.workers.UvicornWorker", "-w", "4", "-b", "0.0.0.0:8000", "main:app"]