Introduction to Puppet Part 1 Manifest

blog_setup.pp

# introduced in https://tlehman.blog/p/introduction-to-puppet
# refined in https://tlehman.blog/p/introduction-to-puppet-part-2
node default {
  # Ensure the required packages are installed
  package { ['nginx', 'ruby', 'ruby-railties']:
    ensure => installed,
  }

  # Configure Nginx to listen on port 80 and proxy to port 3000
  file { '/etc/nginx/sites-available/default':
    ensure  => file,
    content => template('modulename/nginx.conf.erb'),
    require => Package['nginx'],
    notify  => Service['nginx'],
  }

  # Ensure Nginx service is running and enabled
  service { 'nginx':
    ensure => running,
    enable => true,
  }

  # Define a systemd service for the Rails app
  file { '/etc/systemd/system/railsapp.service':
    ensure  => file,
    content => template('modulename/railsapp.service.erb'),
    notify  => Service['railsapp'],
  }

  # Ensure the Rails app service is running and enabled
  service { 'railsapp':
    ensure => running,
    enable => true,
    require => File['/etc/systemd/system/railsapp.service'],
  }
}