apt-get install -y curl && curl http://apt.postgresql.org/pub/repos/apt/ACCC4CF8.asc | apt-key add - &&\
echo "deb http://apt.postgresql.org/pub/repos/apt/ trusty-pgdg main" | \
tee /etc/apt/sources.list.d/postgres.list &&\
- curl -sL https://deb.nodesource.com/setup | sudo bash - &&\
+ curl --silent --location https://deb.nodesource.com/setup_4.x | sudo bash - &&\
apt-get -y update &&\
apt-get -y install build-essential git curl wget \
libxslt-dev libcurl4-openssl-dev \