FROM ruby:2.7.1-alpine RUN apk add --no-cache build-base tzdata sqlite sqlite-dev postgresql-dev && gem install tzinfo-data WORKDIR /app COPY Gemfile* /app/ RUN bundle install --deployment --without development test COPY . /app ENV RAILS_ENV production CMD bundle exec rails db:migrate && bundle exec rails s -p 3000 -b 0.0.0.0