Dockerfile

FROM ruby:3.4.1-alpine

MAINTAINER Klaus Meyer <spam@klaus-meyer.net>

ARG SOURCE_COMMIT
ENV SOURCE_COMMIT=$SOURCE_COMMIT

ENV PORT=8080
ENV SSL_PORT=8443
ENV SECRET_KEY_BASE=changeme
ENV RAILS_ENV=production

EXPOSE $PORT
EXPOSE $SSL_PORT

WORKDIR /app

ADD . .

RUN apk update \
 && apk add build-base zlib-dev tzdata openssl-dev shared-mime-info libc6-compat \
 && rm -rf /var/cache/apk/* \
 && gem install bundler -v $(tail -n1 Gemfile.lock | xargs) \
 && bundle config set without "development test" \
 && bundle install \
 && bundle exec rails assets:precompile \
 && addgroup -S app && adduser -S app -G app -h /app \
 && chown -R app:app /app \
 && chown -R app:app /usr/local/bundle

USER app

ADD docker-entrypoint.sh /docker-entrypoint.sh

ENTRYPOINT ["/docker-entrypoint.sh"]

CMD ["web"]