Bash code to deploy synseer to EC2

deploy.sh

#!/usr/bin/env bash -l

timestamp="$(date '+%Y-%m-%d-%k:%M:%S')"
archive_name="${timestamp}.tar.gz"
ruby_version=""

pem_file="$HOME/.ssh/JoshAdmin.pem"
remote_user="ec2-user"
remote_host="ec2-54-167-223-244.compute-1.amazonaws.com"
remote_path="/home/$remote_user/app/"


=====() {
  echo -e "\033[35m=====  $@  =====\033[0m"
}

with_ruby() {
  chruby-exec "$ruby_version" -- "$@"
}

===== 'Creating directories'
mkdir -p build
mkdir -p deploys


===== 'Clone / pull changes from GitHub'
[[ -d build/synseer ]] ||
  git clone "https://github.com/JoshCheek/synseer.git" build/synseer

pushd build/synseer
  git pull
popd


===== 'Get the Ruby version'
pushd build/synseer
  ruby_version="$(ruby -ne $'puts $1 if /^ruby \'(.*?)\'$/' Gemfile)"
  echo "ruby version: $ruby_version"
popd


===== 'Install bundler (Ruby packages)'
with_ruby which bundle ||
  with_ruby gem install bundler


===== 'Package the gems into the repo'
pushd build/synseer
  with_ruby bundle install --deployment
popd


===== 'Copy the files to the server'
pushd build/synseer
  rsync -Paz -e "ssh -i '$pem_file'" . "$remote_user@$remote_host:$remote_path"
popd


===== 'Save an archive of the deploy'
pushd build
  tar -zcf "../deploys/$archive_name" synseer
popd