FROM docker.io/alpine:3.13

RUN apk add --no-cache openssh-client make git bash coreutils diffutils sudo

RUN echo "https://alpine.sutty.nl/alpine/v3.13/sutty" >> "/etc/apk/repositories" && \
    wget https://alpine.sutty.nl/alpine/sutty.pub -O "/etc/apk/keys/alpine@sutty.nl-5ea884cd.rsa.pub"

COPY packages /root/packages

RUN apk add --no-cache $(cat "/root/packages" | tr "\n" " ")
RUN sed -re "s/#(@platforms = )/\1/" -i "/usr/lib/ruby/2.7.0/rubygems.rb"

RUN mkdir -p /home && \
    adduser \
        --disabled-password \
        --gecos "" \
        --home /home/suttier \
        suttier && \
    echo "suttier ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
USER suttier

COPY .gemrc /home/suttier/.gemrc