Heroku deployment script

deploy

#!/bin/bash
#
# Release script

# Launch script
clear
echo -n "Releasing application. Please run this script outside of virtual machine. Continue ? y/n : "
read ok

if [ "$ok" = "y" ] || [ "$ok" = "Y" ]; then
  # Input local source branch
  echo -n "Enter local source branch to be released : "
  read local_branch

  # Input GitHub remote repositoty
  echo -n "Enter remote GitHub repository name : "
  read github_repository

  # Select Heroku application
  echo -n "Enter remote Heroku repository : "
  read heroku_repository

  # Select Heroku application
  echo -n "Enter Heroku application name : "
  read application

  # Select environment type
  echo -n "Select environment type (staging / production) : "
  read environment

  # Release application
  echo "Releasing application on "$environment" environment..."
  pwd

  # Push selected branch on GitHub
  echo "Pushing "$local_branch" on GitHub "$github_repository" repository..."
  git push $github_repository $local_branch

  # Enable maintenance mode on Heroku application
  echo "Enabling maintenance mode on "$application" application ("$environment" environment)..."
  heroku maintenance:on --app $application

  # Code release
  echo "Deploying "$local_branch" on Heroku "$application" ("$heroku_repository" remote repository / "$environment" environment)..."
  git push $heroku_repository $local_branch:master

  # Migrate remote database
  echo "Migrating remote database..."
  heroku run rake db:migrate --app $application

  # Clean cache
  echo "Cleaning server cache..."
  heroku run --app $application rails runner -e production Rails.cache.clear

  # Restart application
  echo "Restart server on "$environment" environment ("$application" application)..."
  heroku restart --app $application

  # Disable maintenance mode
  echo "Disabling maintenance mode on "$environment" environment ("$application" application)..."
  heroku maintenance:off --app $application

  # Exit message
  echo "Application "$application" released on "$environment" environment !"

else
  echo "OK, goodbye !"
fi