digital_ocean_rails_nginx_passenger.sh

# Notes from following: https://gorails.com/deploy/ubuntu/14.04

# Make sure we're in the home directory of our deploy user
cd /home/deploy

# Create the SSH Directory so we can log in without a password (using a key instead)
mkdir .ssh
cd .ssh/

# This is the file where SSH keeps keys you can log in with for this user
touch authorized_keys
# In this file, paste the public key from your OWN computer's .ssh folder
nano authorized_keys


# Update the list of software we can install, then install commonly needed tools to install ruby
sudo apt-get update
sudo apt-get install git-core curl zlib1g-dev build-essential libssl-dev libreadline-dev libyaml-dev libsqlite3-dev sqlite3 libxml2-dev libxslt1-dev libcurl4-openssl-dev python-software-properties

# Install rbenv, which helps us manage ruby
git clone git://github.com/sstephenson/rbenv.git .rbenv
echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bashrc
echo 'eval "$(rbenv init -)"' >> ~/.bashrc
exec $SHELL

# Install ruby-build, a pugin for rbenv which helps us install new rubies
git clone git://github.com/sstephenson/ruby-build.git ~/.rbenv/plugins/ruby-build
echo 'export PATH="$HOME/.rbenv/plugins/ruby-build/bin:$PATH"' >> ~/.bashrc
exec $SHELL
which ruby

# Install ruby 2.1.2
rbenv install 2.1.2
rbenv global 2.1.2

# Verify that it worked, we should see v2.1.2 and it should be in our home folder
ruby -v
which ruby

# Don't install documentation when we install gems (faster)
echo "gem: --no-ri --no-rdoc" > ~/.gemrc
gem install bundler


# Install Phusion's PGP key to verify packages
gpg --keyserver keyserver.ubuntu.com --recv-keys 561F9B9CAC40B2F7
gpg --armor --export 561F9B9CAC40B2F7 | sudo apt-key add -

# Add HTTPS support to APT
sudo apt-get install apt-transport-https

# Add the passenger repository
sudo sh -c "echo 'deb https://oss-binaries.phusionpassenger.com/apt/passenger trusty main' >> /etc/apt/sources.list.d/passenger.list"
sudo chown root: /etc/apt/sources.list.d/passenger.list
sudo chmod 600 /etc/apt/sources.list.d/passenger.list
sudo apt-get update

# Install nginx and passenger
sudo apt-get install nginx-full passenger
sudo service nginx start

# Edit the nginx conf file to point it to passenger, and tell it which version
# of ruby to use
sudo nano /etc/nginx/nginx.conf

# restart nginx
sudo service nginx restart

# Install postgresql
sudo apt-get install postgresql postgresql-contrib libpq-dev

# Postgres authenticates us by our system username, so we need to switch users to the 'postgres' user
sudo su - postgres

# create a user called 'rails'
createuser --pwprompt
# exit from postgres user back to 'deploy' user
exit

# test that we can log into postgres as 'rails' user
psql -U rails

# add the nginx host, which tells nginx to pass requests onto a specific app
sudo nano /etc/nginx/sites-enabled/default
sudo service nginx restart

# look at our logs to see what went wrong
cd /var/log
ls
cd nginx
sudo su
cd -
sudo nano /etc/nginx/sites-enabled/default
sudo service nginx restart


# On our local machine, we've set up capistrano and used it to deploy (see guide)
cd /home/deploy/ham_radio/shared/
# capistrano doens't check in our database.yml (it has PWs) wso we have to create it here
cd config/
touch database.yml
nano database.yml
ls -la
nano database.yml
cd ..

# Create the database
RAILS_ENV=production bundle exec rake db:create

# migrate and seed our database
RAILS_ENV=production bundle exec rake db:create
RAILS_ENV=production bundle exec rake db:migrate
RAILS_ENV=production bundle exec rake db:seed


# restart nginx one last time and we're done!
sudo service nginx restart
exit