ARG BASE_IMAGE_ORG ARG BASE_IMAGE_NAME ARG BASE_IMAGE_TAG FROM ${BASE_IMAGE_ORG}/${BASE_IMAGE_NAME}:${BASE_IMAGE_TAG} RUN apk update RUN update-ca-certificates ARG SANIC_PYPI_VERSION RUN pip install -U pip && pip install sanic==${SANIC_PYPI_VERSION} RUN apk del build-base