# syntax = docker/dockerfile:1

ARG RUBY_VERSION=3.2.0

FROM ruby:$RUBY_VERSION-slim as build

ARG BUNDLER_VERSION=2.4.2

RUN apt-get update &&\
    apt-get install --yes build-essential git pkg-config

RUN mkdir demo
WORKDIR demo
RUN gem install -N bundler -v ${BUNDLER_VERSION}
COPY . .
RUN bundle _${BUNDLER_VERSION}_ install

FROM ruby:$RUBY_VERSION-slim

COPY --from=build /demo /demo
COPY --from=build /usr/local/bundle /usr/local/bundle

COPY <<-"EOF" /demo/config/routes.rb
Rails.application.routes.draw { root "rails/welcome#index" }
EOF

WORKDIR demo
ENV RAILS_ENV=production
# ENV RAILS_SERVE_STATIC_FILES=true
ENV RAILS_LOG_TO_STDOUT=true
EXPOSE 3000
CMD bin/rails server