anchor.diff:  # Node JS image
   #
   
  -FROM bandsintown/alpine:3.4
  +FROM bandsintown/alpine:3.5
   
   ENV NPM_CONFIG_LOGLEVEL info
  -ENV NODE_VERSION 7.4.0
  +ENV NODE_VERSION 7.7.3
   
   RUN adduser -D -u 1000 node \
       && apk add --no-cache \
  
positive.code:     DD8F2338BAE7501E3DD5AC78C273792F7D83545D \
      B9AE9905FFD7803F25714661B63B535A4C206CA9 \
      C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
    ; do \
      gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
    done \
  
negative.code:     && apk del .build-deps \
      && cd .. \
      && rm -Rf "node-v$NODE_VERSION" \
      && rm "node-v$NODE_VERSION.tar.xz" SHASUMS256.txt.asc SHASUMS256.txt
  
  ENV YARN_VERSION 0.21.3
  
  RUN apk add --no-cache --virtual .build-deps-yarn curl gnupg \
    && for key in \
      6A010C5166006599AA17F08146C2130DFD2497F5 \
    ; do \
      gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
    done \
    && curl -fSL -o yarn.js "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js" \
    && curl -fSL -o yarn.js.asc "https://yarnpkg.com/downloads/$YARN_VERSION/yarn-legacy-$YARN_VERSION.js.asc" \
    && gpg --batch --verify yarn.js.asc yarn.js \
    && rm yarn.js.asc \
    && mv yarn.js /usr/local/bin/yarn \
    && chmod +x /usr/local/bin/yarn \
    && apk del .build-deps-yarn
  
  CMD [ "node" ]