Introduction to Puppet Part 3 Manifest (incrementally building it up instead of the all-at-once approach in Part 1)

blog_setup.pp

# introduced in https://tlehman.blog/p/introduction-to-puppet
# refined in https://tlehman.blog/p/introduction-to-puppet-part-3
node default {
  # Ensure the required packages are installed
  package { ['ruby', 'bundler', 'libyaml-dev']:
    ensure => installed,
  }

  exec { 'gem install rails -v 7.1.2':
    cwd     => '/',
    path    => ['/usr/bin'],
  }

  exec { 'rails new blog':
    cwd     => '/home/ubuntu',
    creates => '/home/ubuntu/blog',
    path    => ['/usr/bin', '/usr/local/bin'],
    user    => 'ubuntu',
  }

  exec { 'bundle install':
    cwd     => '/home/ubuntu/blog',
    path    => ['/usr/bin'],
    user    => 'ubuntu',
  }
}