Dockerfile
FROM internetee/ruby:3.0-buster
RUN apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 4EB27DB2A3B88B8B
RUN apt-get update && apt-get install -y --no-install-recommends \
git \
postgresql-client \
&& rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
RUN mkdir -p /opt/webapps/app/tmp/pids
WORKDIR /opt/webapps/app
COPY Gemfile Gemfile.lock ./
# ADD vendor/gems/omniauth-tara ./vendor/gems/omniauth-tara
RUN gem install bundler && bundle install --jobs 20 --retry 5
EXPOSE 3000