anchor.diff:  FROM ubuntu:20.04 as build-dep
   
   # Use bash for the shell
  -SHELL ["/usr/bin/bash", "-c"]
  +SHELL ["/bin/bash", "-c"]
   
   # Install Node v12 (LTS)
   ENV NODE_VER="12.21.0"
  
positive.code: 	  --with-jemalloc \
  	  --with-shared \
  	  --disable-install-doc && \
  	ln -s /opt/jemalloc/lib/* /usr/lib/ && \
  	make -j$(nproc) > /dev/null && \
  	make install && \
  	cd .. && rm -rf ruby-$RUBY_VER.tar.gz ruby-$RUBY_VER
  
  ENV PATH="${PATH}:/opt/ruby/bin:/opt/node/bin"
  
  RUN npm install -g yarn && \
  	gem install bundler && \
  	apt update && \
  	apt -y install git libicu-dev libidn11-dev \
  	libpq-dev libprotobuf-dev protobuf-compiler
  
  COPY Gemfile* package.json yarn.lock /opt/mastodon/
  
negative.code:     *) echo "unsupported architecture"; exit 1 ;; \
    esac && \
      echo "Etc/UTC" > /etc/localtime && \
  	apt-get update && \
  	apt-get install -y --no-install-recommends ca-certificates wget python && \
  	cd ~ && \
  	wget -q https://nodejs.org/download/release/v$NODE_VER/node-v$NODE_VER-linux-$ARCH.tar.gz && \
  	tar xf node-v$NODE_VER-linux-$ARCH.tar.gz && \
  	rm node-v$NODE_VER-linux-$ARCH.tar.gz && \
  	mv node-v$NODE_VER-linux-$ARCH /opt/node
  
  # Install Ruby
  ENV RUBY_VER="2.7.2"
  RUN apt-get update && \
    apt-get install -y --no-install-recommends build-essential \
      bison libyaml-dev libgdbm-dev libreadline-dev libjemalloc-dev \
  		libncurses5-dev libffi-dev zlib1g-dev libssl-dev && \
  	cd ~ && \
  	wget https://cache.ruby-lang.org/pub/ruby/${RUBY_VER%.*}/ruby-$RUBY_VER.tar.gz && \
  