Dockerfile

# syntax=docker/dockerfile:1

ARG PYTHON_VERSION=3.14

FROM golang:1.22 AS go-build

WORKDIR /src/skylos/engines/go

COPY skylos/engines/go/go.mod ./
COPY skylos/engines/go/cmd ./cmd
COPY skylos/engines/go/internal ./internal

RUN go build -o /out/skylos-go ./cmd/skylos-go

FROM python:${PYTHON_VERSION}-slim AS build

ENV PIP_DISABLE_PIP_VERSION_CHECK=1 \
    PIP_NO_CACHE_DIR=1 \
    PYTHONDONTWRITEBYTECODE=1

WORKDIR /src

RUN apt-get update && \
    apt-get install -y --no-install-recommends gcc libc6-dev && \
    rm -rf /var/lib/apt/lists/*

COPY pyproject.toml README.md LICENSE ./
COPY skylos ./skylos
COPY --from=go-build /out/skylos-go ./skylos/engines/go/skylos-go

# [dart] builds the Dart parser here, where gcc is available.
RUN python -m pip install --upgrade pip build && \
    python -m build --wheel --outdir /dist && \
    python -m pip wheel --wheel-dir /wheelhouse "$(ls /dist/*.whl)[dart]"

FROM python:${PYTHON_VERSION}-slim

ARG PYTHON_VERSION

ENV PIP_DISABLE_PIP_VERSION_CHECK=1 \
    PIP_NO_CACHE_DIR=1 \
    PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1 \
    SKYLOS_CONTAINER_PYTHON_VERSION=${PYTHON_VERSION}

LABEL org.opencontainers.image.python.version=${PYTHON_VERSION}

WORKDIR /work

COPY --from=go-build /out/skylos-go /usr/local/bin/skylos-go

RUN --mount=type=bind,from=build,source=/wheelhouse,target=/tmp/wheelhouse \
    python -m pip install --no-index --find-links=/tmp/wheelhouse "skylos[dart]"

ENTRYPOINT ["skylos"]
CMD ["--help"]