FROM ruby:2.6.3-alpine3.8 MAINTAINER GitLab Documentation Team WORKDIR /tmp RUN apk update && apk upgrade && apk add --no-cache \ build-base \ bash \ grep \ yarn RUN yarn global add markdownlint-cli && yarn cache clean RUN wget https://gitlab.com/gitlab-org/gitlab-docs/-/archive/$CI_COMMIT_REF_NAME/gitlab-docs-$CI_COMMIT_REF_NAME.tar.bz2 \ && tar xvjf gitlab-docs-$CI_COMMIT_REF_NAME.tar.bz2 \ && mv gitlab-docs-$CI_COMMIT_REF_NAME gitlab-docs \ && rm gitlab-docs-$CI_COMMIT_REF_NAME.tar.bz2 RUN cd gitlab-docs \ && bundle install --jobs 4