FROM ruby:2.7.3-buster RUN apt update && apt install -y \ build-essential \ postgresql RUN mkdir -p /app WORKDIR /app COPY Gemfile Gemfile.lock ./ RUN gem install bundler && RAILS_ENV=production bundle install --jobs 20 --retry 5 ENV RAILS_ENV=production COPY . ./ RUN ["chmod", "755", "docker/entrypoints/server.sh"]