Dockerfile

# Based on https://stackoverflow.com/a/57886655
FROM python:3.9-slim-buster as base

ENV PYTHONFAULTHANDLER=1 \
    PYTHONHASHSEED=random \
    PYTHONUNBUFFERED=1

# Set hierarchy with folders
ENV APP_NAME=platform-registry
ENV APP_DIR=/opt/inventory/${APP_NAME}
RUN mkdir -p ${APP_DIR}
WORKDIR ${APP_DIR}

FROM base as builder

ENV PIP_DEFAULT_TIMEOUT=100 \
    PIP_DISABLE_PIP_VERSION_CHECK=1 \
    PIP_NO_CACHE_DIR=1 \
    POETRY_VERSION=1.1.13

RUN pip install "poetry==$POETRY_VERSION"
RUN python -m venv /venv

# Copy app artifacts
COPY pyproject.toml poetry.lock ./
RUN poetry export -f requirements.txt --without-hashes | /venv/bin/pip install -r /dev/stdin

COPY . .
RUN poetry build && /venv/bin/pip install dist/*.whl

FROM base as final

COPY --from=builder /venv /venv
COPY --from=builder ${APP_DIR} .

# Set variables to activate venv
ENV PATH="/venv/bin:${PATH}"
ENV VIRTUAL_ENV="/venv"

CMD uvicorn platform_registry.main:app --host 0.0.0.0 \
    --port 8080 --reload \
    --log-config platform_registry/config/log.yaml