ARG ALPINE_VERSION=3.18.3
ARG BASE_IMAGE=gitea.nulo.in/sutty/sutty
FROM ${BASE_IMAGE}:${ALPINE_VERSION} AS build
ARG RUBY_VERSION=2.7
ARG RUBY_PATCH=5

RUN apk add --no-cache ruby~${RUBY_VERSION}.${RUBY_PATCH} patch

# Patch rubygems to install x86_64-linux-musl gems
COPY ./rubygems-platform-musl.patch /tmp/
RUN cd /usr/lib/ruby/${RUBY_VERSION}.0 && patch -Np 0 -i /tmp/rubygems-platform-musl.patch || true

FROM ${BASE_IMAGE}:${ALPINE_VERSION}
LABEL org.opencontainers.image.authors="f@sutty.nl"
ARG RUBY_VERSION
ARG RUBY_PATCH

# Install ruby and extracted gems and copy patched rubygems
RUN apk add --no-cache tzdata ruby~${RUBY_VERSION}.${RUBY_PATCH} && rm /usr/lib/ruby/${RUBY_VERSION}.0/rubygems.rb
RUN apk add --no-cache ruby-json ruby-bigdecimal ruby-rake ruby-bundler ruby-irb ruby-io-console ruby-etc
COPY --from=build /usr/lib/ruby/${RUBY_VERSION}.0/rubygems.rb /usr/lib/ruby/${RUBY_VERSION}.0/