anchor.diff:      && grep " node-v$NODE_VERSION-linux-x64.tar.gz\$" SHASUMS256.txt.asc | sha256sum -c - \
       && tar -xzf "node-v$NODE_VERSION-linux-x64.tar.gz" -C /usr/local/node --strip-components=1 \
       && rm -r "$GNUPGHOME" "node-v$NODE_VERSION-linux-x64.tar.gz" SHASUMS256.txt.asc \
  +    && npm install -g yarn@$YARN_VERSION \
   
       && mkdir -p /usr/src/sentry \
       && cd /usr/src/sentry \
  
positive.code: 
  RUN [ "$SENTRY_BUILD" != '' ] \
      # Install node to build assets
      && export NODE_VERSION=4.6.0 \
      && export GNUPGHOME="$(mktemp -d)" \
      # gpg keys listed at https://github.com/nodejs/node
      && for key in \
        9554F04D7259F04124DE6B476D5A82AC7E37093B \
        94AE36675C464D64BAFA68DD7434390BDBE9B9C5 \
        0034A06D9D9B0064CE8ADF6BF1747F4AD2306D93 \
        FD3A5288F042B6850C66B31F09FE44734EB7990E \
        71DCFD284A79C3B38668286BC97EC7A07EDE3FC1 \
        DD8F2338BAE7501E3DD5AC78C273792F7D83545D \
        B9AE9905FFD7803F25714661B63B535A4C206CA9 \
        C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
      ; do \
        gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
      done \
  
negative.code: 
  # grab tini for signal processing and zombie killing
  RUN set -x \
      && export TINI_VERSION=0.18.0 \
      && apt-get update && apt-get install -y --no-install-recommends wget && rm -rf /var/lib/apt/lists/* \
      && wget -O /usr/local/bin/tini "https://github.com/krallin/tini/releases/download/v$TINI_VERSION/tini" \
      && wget -O /usr/local/bin/tini.asc "https://github.com/krallin/tini/releases/download/v$TINI_VERSION/tini.asc" \
      && export GNUPGHOME="$(mktemp -d)" \
      && gpg --keyserver ha.pool.sks-keyservers.net --recv-keys 595E85A6B1B4779EA4DAAEC70B588DFF0527A9B7 \
      && gpg --batch --verify /usr/local/bin/tini.asc /usr/local/bin/tini \
      && rm -r "$GNUPGHOME" /usr/local/bin/tini.asc \
      && chmod +x /usr/local/bin/tini \
  