Before we can run our API on the VPS, we need to install the software and libraries it depends on, which include Git, Node, yarn, the Java Development Kit (JDK), and Elasticsearch:
hobnob@hobnob:$ curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -hobnob@hobnob:$ echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.listhobnob@hobnob:$ sudo apt update && sudo apt install yarn git default-jdkhobnob@hobnob:$ curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.11/install.sh | bashhobnob@hobnob:$ echo 'JAVA_HOME="/usr/lib/jvm/java-8-openjdk-amd64"' | sudo tee --append /etc/environment > /dev/nullhobnob@hobnob:$ cd && wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.3.2.deb ...
