Compile Node 5.x manually

Alpine doesn't have a package for this and we need to pin to a version

Author: gdiggs

Dockerfile

@@ -10,9 +10,40 @@ COPY vendor/php-parser/composer.lock /usr/src/app/vendor/php-parser/
 
 COPY package.json /usr/src/app/
 
-RUN apk update && apk add nodejs python python3 php5-phar php5-openssl php5-cli php5-json php5-zlib php5-xml
-
-RUN apk add curl && \
+RUN apk update && apk add python python3 php5-phar php5-openssl php5-cli php5-json php5-zlib php5-xml
+
+ENV NODE_VERSION=v5.12.0 \
+    NPM_VERSION=3
+
+# Based on https://github.com/mhart/alpine-node
+RUN apk add --no-cache curl make gcc g++ linux-headers binutils-gold gnupg libstdc++ && \
+    gpg --keyserver ha.pool.sks-keyservers.net --recv-keys \
+      94AE36675C464D64BAFA68DD7434390BDBE9B9C5 \
+      FD3A5288F042B6850C66B31F09FE44734EB7990E \
+      71DCFD284A79C3B38668286BC97EC7A07EDE3FC1 \
+      DD8F2338BAE7501E3DD5AC78C273792F7D83545D \
+      C4F0DFFF4E8C1A8236409D08E73BC641CC11F4C8 \
+      B9AE9905FFD7803F25714661B63B535A4C206CA9 \
+      56730D5401028683275BD23C23EFEFE93C4CFFFE && \
+    curl -sSLO https://nodejs.org/dist/${NODE_VERSION}/node-${NODE_VERSION}.tar.xz && \
+    curl -sSL https://nodejs.org/dist/${NODE_VERSION}/SHASUMS256.txt.asc | gpg --batch --decrypt | \
+      grep " node-${NODE_VERSION}.tar.xz\$" | sha256sum -c | grep . && \
+    tar -xf node-${NODE_VERSION}.tar.xz && \
+    cd node-${NODE_VERSION} && \
+    ./configure --prefix=/usr ${CONFIG_FLAGS} && \
+    make -j$(getconf _NPROCESSORS_ONLN) && \
+    make install && \
+    cd / && \
+    if [ -x /usr/bin/npm ]; then \
+      npm install -g npm@${NPM_VERSION} && \
+      find /usr/lib/node_modules/npm -name test -o -name .bin -type d | xargs rm -rf; \
+    fi && \
+    apk del curl make gcc g++ linux-headers binutils-gold gnupg ${DEL_PKGS} && \
+    rm -rf ${RM_DIRS} /node-${NODE_VERSION}* /usr/share/man /tmp/* /var/cache/apk/* \
+      /root/.npm /root/.node-gyp /root/.gnupg /usr/lib/node_modules/npm/man \
+      /usr/lib/node_modules/npm/doc /usr/lib/node_modules/npm/html /usr/lib/node_modules/npm/scripts
+
+RUN apk add --update curl && \
     gem install bundler --no-ri --no-rdoc && \
     bundle install -j 4 && \
     curl -sS https://getcomposer.org/installer | php && \