Dockerfile

FROM ruby:3.2.2-alpine3.18 AS rb
RUN apk update && apk add --no-cache postgresql-dev build-base libffi-dev nodejs rsync tzdata yarn
COPY Gemfile* package.json yarn.lock ./
RUN yarn install
RUN gem update --system && gem install bundler
RUN bundle config frozen true \
    && bundle config jobs 4 \
    && bundle config deployment true \
    && bundle config without 'development test' \
    && bundle install
ENV RAILS_ENV=production \
    SECRET_KEY_BASE=buildingassets
ADD . .
RUN bundle exec rails assets:clobber && bundle exec rails assets:precompile


FROM ruby:3.2.2-alpine3.18

RUN apk update && apk add --no-cache postgresql-client rsync tzdata

WORKDIR /synchronist

RUN gem update --system && gem install bundler

RUN bundle config frozen true \
    && bundle config jobs 4 \
    && bundle config deployment true \
    && bundle config without 'development test'

ADD . .

COPY --from=rb vendor/bundle vendor/bundle
COPY --from=rb public/assets public/assets
COPY docker-entrypoint.sh /bin/

ENV RAILS_ENV=production \
    RAILS_SERVE_STATIC_FILES=true \
    RAILS_LOG_TO_STDOUT=true

VOLUME /synchronist/storage

ENTRYPOINT ["docker-entrypoint.sh"]
EXPOSE 3000
CMD ["rails", "server", "--binding", "0.0.0.0"]