Faster Elastic Beanstalk deployment (NodeJS 4.2.1)

40install_node.sh

#!/bin/bash
# Include envs
. /opt/elasticbeanstalk/env.vars

function error_exit
{
  eventHelper.py --msg "$1" --severity ERROR
  exit $2
}

#make sure node binaries can be found globally
if [ ! -L /usr/bin/node ]; then
  ln -s /opt/elasticbeanstalk/node-install/node-v$NODE_VER-linux-$ARCH/bin/node /usr/bin/node
fi

if [ ! -L /usr/bin/npm ]; then
  ln -s /opt/elasticbeanstalk/node-install/node-v$NODE_VER-linux-$ARCH/bin/npm /usr/bin/npm
fi

if [ ! -f "/opt/elasticbeanstalk/node-install/npm_updated" ]; then
  /opt/elasticbeanstalk/node-install/node-v$NODE_VER-linux-$ARCH/bin/npm install npm@$NPM_VER -g
  touch /opt/elasticbeanstalk/node-install/npm_updated
  echo "YAY! Updated global NPM version to `npm -v`"
else
  echo "Skipping NPM -g version update. To update, please uncomment 40install_node.sh:12"
fi

50npm.sh

#!/bin/bash
. /opt/elasticbeanstalk/env.vars

function error_exit
{
  eventHelper.py --msg "$1" --severity ERROR
  exit $2
}

#install not-installed yet app node_modules
if [ ! -d "/var/node_modules" ]; then
  mkdir /var/node_modules ;
fi
if [ -d /tmp/deployment/application ]; then
  ln -s /var/node_modules /tmp/deployment/application/
fi

OUT=$([ -d "/tmp/deployment/application" ] && cd /tmp/deployment/application && /opt/elasticbeanstalk/node-install/node-v$NODE_VER-linux-$ARCH/bin/npm install --silent --production 2>&1) || error_exit "Failed to run npm install.  $OUT" $?
echo $OUT

env.vars

export HOME=/root
export NPM_CONFIG_LOGLEVEL=error
export NPM_CONFIG_PRODUCTION=true
export NPM_VER=3.10.5
export NODE_VER=6.2.2
export ARCH=x64
export PATH="$PATH:/opt/elasticbeanstalk/node-install/node-v$NODE_VER-linux-$ARCH/bin/:/root/.npm"
export NODE_PATH=/usr/bin/node