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setup-buildx-action/hack/build.Dockerfile

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# syntax=docker/dockerfile:1.2
ARG NODE_VERSION
FROM node:${NODE_VERSION}-alpine AS base
RUN apk add --no-cache cpio findutils git
WORKDIR /src
FROM base AS deps
RUN --mount=type=bind,target=.,rw \
--mount=type=cache,target=/src/node_modules \
yarn install
FROM deps AS build
RUN --mount=type=bind,target=.,rw \
--mount=type=cache,target=/src/node_modules \
yarn run build && mkdir /out && cp -Rf dist /out/
FROM scratch AS build-update
COPY --from=build /out /
FROM build AS build-validate
RUN --mount=type=bind,target=.,rw \
git add -A && cp -rf /out/* .; \
if [ -n "$(git status --porcelain -- dist)" ]; then \
echo >&2 'ERROR: Build result differs. Please build first with "docker buildx bake build"'; \
git status --porcelain -- dist; \
exit 1; \
fi
FROM deps AS format
RUN --mount=type=bind,target=.,rw \
--mount=type=cache,target=/src/node_modules \
yarn run format \
&& mkdir /out && find . -name '*.ts' -not -path './node_modules/*' | cpio -pdm /out
FROM scratch AS format-update
COPY --from=format /out /
FROM deps AS format-validate
RUN --mount=type=bind,target=.,rw \
--mount=type=cache,target=/src/node_modules \
yarn run format-check \