Digitalocean

gistfile1.txt

https://www.digitalocean.com/community/tutorials/deploying-a-rails-app-on-ubuntu-14-04-with-capistrano-nginx-and-puma

sudo apt-get update

--NGINX
sudo apt-get install curl git-core nginx -y

-- POSTGRES
sudo apt-get install postgresql postgresql-contrib
sudo -i -u postgres
psql
\du
\password
-- Enter your new password, and then enter it again to confirm it
\q
sudo apt-get install libpq-dev

--RVM
gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
curl -sSL https://get.rvm.io | bash -s stable
source /etc/profile.d/rvm.sh
rvm requirements
rvm install ruby-2.4.1

--SSH
ssh-keygen -t rsa 
cat ~/.ssh/id_rsa.pub

--GEMS
add execjs, rubyracer

Create 1GB swap memory
sudo dd if=/dev/zero of=/usr/mem.swap bs=1M count=512
Use the swap memory created in the first step
sudo mkswap /usr/mem.swap
sudo swapon /usr/mem.swap