Dockerfile
FROM ruby:2.5
RUN apt-get update -qq && apt-get install -y nodejs postgresql-client git-core zlib1g-dev build-essential libreadline-dev libssl-dev curl redis-server awesfx
RUN mkdir /app
WORKDIR /app
COPY Gemfile /app/Gemfile
COPY Gemfile.lock /app/Gemfile.lock
RUN bundle install
COPY . /app
EXPOSE 3000
ENTRYPOINT ["./docker-entrypoint.sh"]