Dockerfile

# from https://github.com/GoogleContainerTools/distroless/blob/main/examples/python3-requirements/Dockerfile

# Build a virtualenv using the appropriate Debian release
# * Install python3-venv for the built-in Python3 venv module (not installed by default)
# * Install gcc libpython3-dev to compile C Python modules
# * In the virtualenv: Update pip setuputils and wheel to support building new packages
FROM debian:12-slim AS build
RUN apt-get update && \
    apt-get install --no-install-suggests --no-install-recommends --yes python3-venv gcc libpython3-dev && \
    python3 -m venv /venv && \
    /venv/bin/pip install --upgrade pip setuptools wheel
COPY requirements.txt /requirements.txt
RUN /venv/bin/pip install --disable-pip-version-check -r /requirements.txt

# Copy the virtualenv into a distroless image
FROM gcr.io/distroless/python3-debian12:latest
COPY --from=build /venv /venv
COPY ./gantry /app/gantry
COPY ./migrations /app/migrations
WORKDIR /app
ENTRYPOINT ["/venv/bin/python", "-m", "gantry"]