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A Vagrant profile that installs a LEMP stack split into two Ubuntu 16.04 (Xenial) virtual machines using VirtualBox for virtualization and Ansible for provisioning.

  • Machine 1 (db1): MySQL 5.7
  • Machine 2 (web1): Nginx, PHP 7.1 and PHP FPM

Installation

Requirements:

* The Vagrand Host Manager plugin is used to ease communication between the hosts defined in the Vagrantfile.

To install the necessary Ansible roles, change directory into the folder containing the Vagrantfile and issue the following command:

$ ansible-galaxy install -r ansible-requirements.yml

Usage

Start Vagrant and log into the VMs (virtual machines)

Start all Vagrant VMs with the following command:

$ vagrant up

To SSH into a VM, web1 for example, use this command:

$ vagrant ssh web1

Access the web application from your browser

You can modify your host machine's hosts file (typically /etc/hosts on Mac and Linux) by appending the following line to it:

192.168.34.90   web-app.local

(web-app.local is the hostname configured by default in the Vagrantfile.)

That will allow you to visit http://web-app.local/index.php in a browser and see the web application in action (the web application, in this case, is a single PHP file, index.php).

Update the VMs

To re-provision the machines after updates to the Ansible files, you can use the provision command. For example, to re-provision the web1 machine you can use:

$ vagrant web1 provision --provision-with ansible

Databases

Credentials

The credentials for the web-app database (inside the db1 VM) are:

  • username: web-app
  • password: web-app

The index.php file (inside the web-app directory) contains a simple example of how to access that database from the PHP application.

Environment variables

The database credentials are exposed as environment variables in the web VM (web1), so your PHP application can make use of them instead of relying on hard-coded values; frameworks like Symfony allow you to use those variables from inside their configuration files.