Dockerfile

FROM ruby:3.0.3-alpine AS builder

RUN apk --update add --no-cache \
  curl-dev \
  ruby-dev \
  build-base \
  git \
  curl \
  ruby-json \
  openssl \
  groff \
  bash \
  vim

RUN mkdir -p /gem
WORKDIR /gem

ENV GEM_HOME="/usr/local/bundle"
ENV PATH $GEM_HOME/bin:$GEM_HOME/gems/bin:$PATH

RUN gem install bundler -v 2.3.9

COPY lib/uffizzi/version.rb ./lib/uffizzi/
COPY uffizzi.gemspec .
COPY Gemfile* ./
RUN bundle install --jobs 4

COPY . .

RUN bundle exec rake install

# M-M-M-M-MULTISTAGE!!!
FROM ruby:3.0.3 AS shell

RUN apt-get update && apt-get install -y \
    vim \
    bash \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /root/

COPY docker-entrypoint.sh .
RUN chmod +x docker-entrypoint.sh

COPY --from=builder /gem/pkg/uffizzi-cli* .
RUN gem install ./uffizzi-cli*

ENTRYPOINT ["/root/docker-entrypoint.sh"]