Dockerfile.production

FROM ruby:2.7.2-alpine AS build-env

ARG RAILS_ROOT=/usr/src/app
ARG BUILD_PACKAGES="build-base curl-dev git"
ARG DEV_PACKAGES="postgresql-dev yaml-dev zlib-dev nodejs yarn"
ARG RUBY_PACKAGES="tzdata"

ENV RAILS_ENV=production
ENV NODE_ENV=production

RUN mkdir $RAILS_ROOT
WORKDIR $RAILS_ROOT

RUN apk update && apk upgrade && apk add --update --no-cache $BUILD_PACKAGES $DEV_PACKAGES $RUBY_PACKAGES

COPY Gemfile package.json ./

RUN bundle install --without development test
# Remove unneeded files (cached *.gem, *.o, *.c)
RUN rm -rf /usr/local/bundle/cache/*.gem \
    && find /usr/local/bundle/gems/ -name "*.c" -delete \
    && find /usr/local/bundle/gems/ -name "*.o" -delete
RUN yarn install --production

COPY . .

RUN rm -rf public/packs

RUN bin/rails webpacker:compile

RUN rm -rf node_modules tmp/cache tmp/storage tmp/screenshots log/development.log log/test.log

############### Finalize build ###############
FROM ruby:2.7.2-alpine
LABEL maintainer="Martin Tomas <martintomas.it@gmail.com>"

ARG RAILS_ROOT=/usr/src/app
ARG PACKAGES="tzdata postgresql-client nodejs bash yarn"
ARG COMMIT_HASH

WORKDIR $RAILS_ROOT

RUN apk update && apk upgrade && apk add --update --no-cache $PACKAGES

RUN adduser -D rails_user
USER rails_user

COPY --chown=rails_user --from=build-env /usr/local/bundle/ /usr/local/bundle/
COPY --chown=rails_user --from=build-env $RAILS_ROOT $RAILS_ROOT

RUN echo $COMMIT_HASH > $RAILS_ROOT/public/commit.txt

ENTRYPOINT ["./entrypoint.sh"]
CMD ["start-server"]