Dockerfile
FROM dannyben/alpine-ruby:3.3.3
ENV PS1="\n\n>> bashly \W \$ "
ENV BASHLY_VERSION=1.2.7
WORKDIR /app
# Install pandoc to support manpage generation (`bashly render :mandoc docs`)
RUN apk add --no-cache pandoc-cli
RUN gem install bashly --version $BASHLY_VERSION
VOLUME /app
ENTRYPOINT ["bashly"]