Setup rails production server with rbenv, postgres nginx and passenger

install.sh

sudo locale-gen "en_US.UTF-8"
sudo nano /etc/environment
#LC_ALL=en_US.UTF-8
#LANG=en_US.UTF-8

sudo reboot
adduser webapp
usermod -a -G admin webapp

nano /etc/apt/sources.list.d/pgdg.list
#deb http://apt.postgresql.org/pub/repos/apt/ xenial-pgdg main
wget --quiet -O - https://www.postgresql.org/media/keys/ACCC4CF8.asc | sudo apt-key add -
sudo apt-get update 
sudo apt-get install postgresql-client-9.6 postgresql-9.6 postgresql-contrib-9.6 libpq-dev postgresql-server-dev-9.6 
sudo -u postgres createuser -s webapp

sudo nano /etc/postgresql/9.5/main/pg_hba.conf
local all webapp trust
sudo -u postgres psql -c "ALTER USER webapp WITH superuser;"


#TODO: https://www.digitalocean.com/community/tutorials/how-to-deploy-a-rails-app-with-git-hooks-on-ubuntu-14-04