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FROM ruby:2.6
RUN apt-get update \
&& apt-get install -y sudo golang --no-install-recommends
RUN apt-get purge --auto-remove -y curl \
&& rm -rf /var/lib/apt/lists/*
RUN groupadd -r app && useradd -r -g app -G sudo app \
&& mkdir -p /home/app && chown -R app:app /home/app
RUN echo '%sudo ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers
USER app
# throw errors if Gemfile has been modified since Gemfile.lock
RUN bundle config --global frozen 1
WORKDIR /home/app/workdir
COPY Gemfile Gemfile.lock ./
RUN bundle install
ENV LANG C.UTF-8
ENV GOFLAGS -mod=vendor
ENV USER app
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