anchor.diff:      protobuf \
       tini \
       tzdata \
  -    yarn \
    && update-ca-certificates \
  - && mkdir -p /tmp/src \
  + && mkdir -p /tmp/src /opt \
  + && wget -O yarn.tar.gz "https://github.com/yarnpkg/yarn/releases/download/v$YARN_VERSION/yarn-v$YARN_VERSION.tar.gz" \
  + && echo "$YARN_DOWNLOAD_SHA256 *yarn.tar.gz" | sha256sum -c - \
  + && tar -xzf yarn.tar.gz -C /tmp/src \
  + && rm yarn.tar.gz \
  + && mv /tmp/src/yarn-v$YARN_VERSION /opt/yarn \
  + && ln -s /opt/yarn/bin/yarn /usr/local/bin/yarn \
    && wget -O libiconv.tar.gz "https://ftp.gnu.org/pub/gnu/libiconv/libiconv-$LIBICONV_VERSION.tar.gz" \
    && echo "$LIBICONV_DOWNLOAD_SHA256 *libiconv.tar.gz" | sha256sum -c - \
    && tar -xzf libiconv.tar.gz -C /tmp/src \
  
positive.code: ENV RAILS_SERVE_STATIC_FILES=true \
      RAILS_ENV=production NODE_ENV=production
  
  ARG LIBICONV_VERSION=1.15
  ARG LIBICONV_DOWNLOAD_SHA256=ccf536620a45458d26ba83887a983b96827001e92a13847b45e4925cc8913178
  
  
negative.code: FROM ruby:2.4.3-alpine3.6
  
  LABEL maintainer="https://github.com/tootsuite/mastodon" \
        description="Your self-hosted, globally interconnected microblogging community"
  