Fixes #140: Show mapping of examples to book chapters in README.

Author: geerlingguy

README.md

@@ -8,6 +8,75 @@ Most of the examples are full-fledged VM examples, which use Vagrant, VirtualBox
 
 For more interesting examples of what you can do with Ansible, please see the [Ansible Vagrant Examples](https://github.com/geerlingguy/ansible-vagrant-examples) repository, and browse through some of [geerlingguy's roles on Ansible Galaxy](https://galaxy.ansible.com/geerlingguy/).
 
+## Examples and Chapters in which they're used
+
+Here is an outline of all the examples contained in this repository, by chapter:
+
+### Chapter 1
+
+  - N/A
+
+### Chapter 2
+
+  - N/A
+
+### Chapter 3
+
+  - [`orchestration`](orchestration/): A simple multiple-VM Vagrant configuration and Ansible inventory to allow testing of multi-server orchestration with `ansible` ad-hoc commands.
+
+### Chapter 4
+
+  - [`drupal`](drupal/): A single-file playbook which configures the LAMP stack on a Linux host and installs Drupal.
+  - [`includes`](includes/): The same playbook as the [`drupal`](drupal/) example, but using `include`s to make the playbook more understandable.
+  - [`nodejs`](nodejs/): A single-file playbook which configures a Node.js app to run on a Linux host.
+  - [`solr`](solr/): A single-file playbook which installs Apache Solr on a Linux host.
+
+### Chapter 5
+
+  - N/A
+
+### Chapter 6
+
+  - [`nodejs-role`](nodejs-role/): The same playbook as the [`nodejs`](nodejs/) example, but using a role to break out the Node.js aspects into a separate `nodejs` role.
+
+### Chapter 7
+
+  - [`dynamic-inventory`](dynamic-inventory/): Two example dynamic inventory scripts (one in PHP, one in Python) for use with Ansible.
+
+### Chapter 8
+
+  - [`lamp-infrastructure`](lamp-infrastructure/): A multi-server LAMP-based web application infrastructure focused on high-availability and performance for a LAMP-stack app.
+  - [`elk`](elk/): A two-server example of the Elasticsearch-Logstash-Kibana stack, which uses one server to store and visualize logs centrally, and another server to send logs via Filebeat.
+
+### Chapter 9
+
+  - [`deployments`](deployments/): A playbook that deploys a Ruby on Rails application into an environment that runs Passenger and Nginx to handle web requests.
+  - [`deployments-balancer`](deployments-balancer/): A playbook that handles zero-downtime deployments to webservers running behind an HAProxy load balancer.
+  - [`deployments-rolling`](deployments-rolling/): A playbook that demonstrates rolling deployments to multiple servers for a Node.js app.
+
+### Chapter 10
+
+  - N/A
+
+### Chapter 11
+
+  - [`jenkins`](jenkins/): A playbook that installs and configures Jenkins for CI/CD.
+
+### Chapter 12
+
+  - [`https-self-signed`](https-self-signed/): A playbook that generates self-signed certificates.
+  - [`https-letsencrypt`](https-letsencrypt/): A playbook that demonstrates automated certificate management with Let's Encrypt and Ansible.
+  - [`https-nginx-proxy`](https-nginx-proxy/): A playbook that demonstrates proxying HTTPS traffic through Nginx to HTTP backends.
+
+### Chapter 13
+
+  - [`docker`](docker/): Very simple playbook demonstrating Ansible's ability to manage Docker container images.
+  - [`docker-hubot`](docker-hubot/): Slightly more involved example of Ansible's ability to manage and run Docker container images.
+
+### Chapter 14
+
+  - [`kubernetes`](kubernetes/): A playbook that builds a three-node Kubernetes cluster.
+
 ## License
 
 MIT

drupal/README.md

@@ -1,8 +1,8 @@
 # Simple Drupal Development VM
 
-**For a fully-featured VM environment for Drupal, please check out [Drupal VM](http://www.drupalvm.com/).**
+**For a fully-featured VM environment for Drupal, please check out [Drupal VM](https://www.drupalvm.com/).**
 
-This project makes local Drupal test/development environment management quick and easy. It installs the following on an Ubuntu 16.04 Linux VM:
+This project makes local Drupal test/development environment management quick and easy. It installs the following on an Ubuntu VM:
 
   - Apache
   - PHP

dynamic-inventory/custom/README.md

@@ -1,6 +1,6 @@
 # Ansible Custom Dynamic Inventory Example
 
-This folder contains a few custom dynamic inventory scripts for use with Ansible.
+This folder contains custom dynamic inventory scripts for use with Ansible.
 
 Each of the scripts has comments for all the different parts of the code which generate and return the inventory in the proper JSON format expected by Ansible.
 

lamp-infrastructure/playbooks/www/main.yml

@@ -18,6 +18,7 @@
       file:
         path: /var/www/html/index.html
         state: absent
+
     - name: Copy our fancy server-specific home page.
       template:
         src: templates/index.php.j2