Running our API

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.list
hobnob@hobnob:$ sudo apt update && sudo apt install yarn git default-jdk
hobnob@hobnob:$ curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.11/install.sh | bash
hobnob@hobnob:$ echo 'JAVA_HOME="/usr/lib/jvm/java-8-openjdk-amd64"' | sudo tee --append /etc/environment > /dev/null
hobnob@hobnob:$ cd && wget https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.3.2.deb
hobnob@hobnob:$ sudo dpkg -i elasticsearch-6.3.2.deb
hobnob@hobnob:$ rm elasticsearch-6.3.2.deb
hobnob@hobnob:$ sudo systemctl start elasticsearch.service
hobnob@hobnob:$ sudo systemctl enable...