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FROM docker.io/library/node:lts-alpine3.15 AS build
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ARG MARKDOWNLINT_VERSION=master
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RUN set -ex && \
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apk update && \
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apk upgrade && \
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apk add --no-cache git
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RUN git clone --branch ${MARKDOWNLINT_VERSION} https://github.com/igorshubovych/markdownlint-cli /markdownlint && \
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cd /markdownlint && \
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npm install --production && \
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npm install --global
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ENTRYPOINT [ "/usr/local/bin/markdownlint" ]
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