Dockerfile.distroless

# source: https://github.com/GoogleContainerTools/distroless
FROM debian:buster-slim AS build
RUN apt-get update && \
    apt-get install --no-install-suggests --no-install-recommends --yes \
    python3-venv gcc libpython3-dev iputils-ping libcap2 libunistring2 libidn2-0 libnettle6 && \
    python3 -m venv /venv && \
    /venv/bin/pip install --upgrade pip

FROM build AS build-venv
COPY requirements.txt /requirements.txt
RUN /venv/bin/pip install --disable-pip-version-check -r /requirements.txt

FROM gcr.io/distroless/python3-debian10
COPY --from=build-venv /venv /venv
COPY --from=build-venv /bin/ping /bin/ping
COPY --from=build-venv /lib/x86_64-linux-gnu/libcap.so.2 /lib/x86_64-linux-gnu/libcap.so.2
COPY --from=build-venv /usr/lib/x86_64-linux-gnu/libidn2.so.0 /usr/lib/x86_64-linux-gnu/libidn2.so.0
COPY --from=build-venv /usr/lib/x86_64-linux-gnu/libnettle.so.6 /usr/lib/x86_64-linux-gnu/libnettle.so.6
COPY --from=build-venv /usr/lib/x86_64-linux-gnu/libunistring.so.2 /usr/lib/x86_64-linux-gnu/libunistring.so.2
COPY . /app
WORKDIR /app

EXPOSE 8080
ENTRYPOINT ["/venv/bin/python3", "app.py"]