Dockerfile

ARG APP_NAME=import_api
ARG APP_PATH=/opt/$APP_NAME
ARG PYTHON_VERSION=3.9
ARG POETRY_VERSION=1.1.13

# Stage: staging
FROM --platform=linux/amd64 python:$PYTHON_VERSION as staging
ARG APP_NAME
ARG APP_PATH
ARG POETRY_VERSION

ENV \
    PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    PYTHONFAULTHANDLER=1
ENV \
    POETRY_VERSION=$POETRY_VERSION \
    POETRY_HOME="/opt/poetry" \
    POETRY_VIRTUALENVS_IN_PROJECT=true \
    POETRY_NO_INTERACTION=1

RUN apt-get update -y && apt-get install -y gcc

# Install Poetry - respects $POETRY_VERSION & $POETRY_HOME
RUN curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/install-poetry.py | python
ENV PATH="$POETRY_HOME/bin:$PATH"

# Import our project files
WORKDIR $APP_PATH
COPY ./poetry.lock ./pyproject.toml ./
COPY ./$APP_NAME ./$APP_NAME

#
# Stage: build
#
FROM staging as build
ARG APP_PATH

WORKDIR $APP_PATH
RUN poetry build --format wheel
RUN poetry export --format requirements.txt --output constraints.txt --without-hashes

#
# Stage: production
#
FROM --platform=linux/amd64 python:$PYTHON_VERSION-slim as production
ARG APP_PATH
ARG APP_NAME

# Get build artifact wheel and install it respecting dependency versions
WORKDIR $APP_PATH
COPY --from=build $APP_PATH/dist/*.whl ./
COPY --from=build $APP_PATH/constraints.txt ./
RUN pip install ./$APP_NAME*.whl --constraint constraints.txt

RUN apt-get update -yq \
    && apt-get install curl gnupg -yq \
    && curl -sL https://deb.nodesource.com/setup_lts.x | bash \
    && apt-get install nodejs -yq

ENV HOST="0.0.0.0"
ENV PORT=80
ENV APP_NAME=$APP_NAME

ENTRYPOINT uvicorn ${APP_NAME}.main:app --host ${HOST} --port ${PORT}