FROM ruby:3.0.1 RUN apt-get update -qq && apt-get install -y nodejs redis-server USER root RUN mkdir /myapp WORKDIR /myapp COPY Gemfile /myapp/Gemfile COPY Gemfile.lock /myapp/Gemfile.lock RUN gem install bundler:2.2.23 RUN bundle COPY . /myapp EXPOSE 4000 CMD ["foreman", "start", "-f", "Procfile.dev"]