Fix npm install on 0.8 by updating to 1.4.28 first

Author: tianon

0.8/Dockerfile

@@ -17,7 +17,11 @@ RUN curl -SLO "http://nodejs.org/dist/v$NODE_VERSION/node-v$NODE_VERSION-linux-x
 	&& 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 --strip-components=1 \
 	&& rm "node-v$NODE_VERSION-linux-x64.tar.gz" SHASUMS256.txt.asc \
+	&& npm install -g [email protected] \
 	&& npm install -g npm@"$NPM_VERSION" \
 	&& npm cache clear
 
+# note: we have to install npm 1.4.28 first because we can't go straight from 1.2 -> 2.0
+# see also https://github.com/docker-library/node/issues/15#issuecomment-57879931
+
 CMD [ "node" ]