FROM ruby:2.5.3-alpine RUN apk add --no-cache autoconf RUN apk add --no-cache libtool RUN apk add --no-cache libcap-dev RUN apk add --no-cache pcre-dev RUN apk add --no-cache curl RUN apk add --no-cache build-base RUN apk add --no-cache ncurses-dev RUN apk add --no-cache tmux WORKDIR /zsh-autosuggestions ADD ZSH_VERSIONS /zsh-autosuggestions/ZSH_VERSIONS ADD install_test_zsh.sh /zsh-autosuggestions/install_test_zsh.sh RUN ./install_test_zsh.sh ADD Gemfile /zsh-autosuggestions/Gemfile ADD Gemfile.lock /zsh-autosuggestions/Gemfile.lock RUN bundle install