link-stack/docker/buildx/Dockerfile

FROM node:22-alpine AS node
FROM docker:git

RUN set -ex; \
  apk add --no-cache --update \
  make \
  curl \
  bash \
  jq \
  libstdc++ ;

# Copy Node.js 22 from official image
COPY --from=node /usr/lib /usr/lib
COPY --from=node /usr/local/lib /usr/local/lib
COPY --from=node /usr/local/include /usr/local/include
COPY --from=node /usr/local/bin /usr/local/bin

# Prepare pnpm (corepack symlinks already copied from node image)
RUN corepack prepare pnpm@9.15.4 --activate

# Set up pnpm home
ENV PNPM_HOME="/pnpm"
ENV PATH="$PNPM_HOME:$PATH"

COPY --from=docker/buildx-bin /buildx /usr/libexec/docker/cli-plugins/docker-buildx
RUN docker buildx install
RUN docker buildx version