Configuration management tool

Tools that are designed to install and manage software on existing servers. Examples are: Ansible, Chef, Puppet.

- name: Update the apt-get cache
  apt:
    update_cache: yes
 
- name: Install PHP
  apt:
    name: php
 
- name: Install Apache
  apt:
    name: apache2
 
- name: Copy the code from the repository
  git: repo=https://github.com/brikis98/php-app.git dest=/var/www/html/app
 
- name: Start Apache
  service: name=apache2 state=started enabled=yes

Benefits:

• Coding conventions. Tool enforces a consistent, predictable structure, including documentation, file layout etc.
• Idempotence by default.
• Designed for managing large number of servers.