FROM ruby:2.6.3-alpine3.10
MAINTAINER GitLab Documentation Team

WORKDIR /tmp

RUN apk update && apk upgrade && apk add --no-cache \
  build-base \
  bash \
  grep

RUN wget https://gitlab.com/gitlab-com/gitlab-docs/-/archive/master/gitlab-docs-master.tar.bz2 \
  && tar xvjf gitlab-docs-master.tar.bz2 \
  && mv gitlab-docs-master gitlab-docs \
  && rm gitlab-docs-master.tar.bz2

RUN cd gitlab-docs \
  && bundle install --jobs 4