Dockerfile-build

#-------------------------------------------------------------------------------
# Copyright (C) 2015 The Gravitee team (http://gravitee.io)
#    Licensed under the Apache License, Version 2.0 (the "License");
#    you may not use this file except in compliance with the License.
#    You may obtain a copy of the License at
#            http://www.apache.org/licenses/LICENSE-2.0
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS,
#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#    See the License for the specific language governing permissions and
#    limitations under the License.
#-------------------------------------------------------------------------------
FROM ruby:3.1-slim-bullseye
LABEL maintainer="Gravitee Team <http://gravitee.io>"

ENV RUBYOPT=-KU
ARG JEKYLL_VERSION=4.2.1

RUN apt-get clean \
  && mv /var/lib/apt/lists /var/lib/apt/lists.broke \
  && mkdir -p /var/lib/apt/lists/partial

RUN apt-get update

RUN apt-get install -y \
    nodejs build-essential \
  && apt-get clean \
  && rm -rf /var/lib/apt/lists/

WORKDIR /tmp
ADD Gemfile /tmp/
ADD Gemfile.lock /tmp/
RUN gem install bundler
RUN gem install jekyll -v ${JEKYLL_VERSION}
RUN bundle install

VOLUME /src
EXPOSE 4000

WORKDIR /src
ENTRYPOINT ["bundle", "exec", "jekyll"]