Relatore: Riccardo Masetti

1. September 22, 2015

2. Wordpress: Application Strategy on AWS Architecture
September 22, 2015
#YOOXlabsTechEvent

3. The information contained in this document is confidential and proprietary to YOOX Group
WordPress: Application Strategy on AWS Architecture
 Standard setup: single server stateful application
 Standard Configuration
 Standard WordPress migration
3
Scenario before AWS

4. The information contained in this document is confidential and proprietary to YOOX Group
WordPress: Application Strategy on AWS Architecture
 Standard setup: single server stateful application
 Standard Configuration
 Standard WordPress migration
4
Scenario before AWS

5. The information contained in this document is confidential and proprietary to YOOX Group
Standard setup
5
 One application server
 One RDBS server
 One single running instance of WordPress
Scaling is very difficult
No data redudancy
Disaster recovery may be very slow
Uploaded assets are stored on one single server

6. The information contained in this document is confidential and proprietary to YOOX Group
WordPress: Application Strategy on AWS Architecture
6
 Standard setup: single server stateful application
 Standard Configuration
 Standard WordPress migration
Scenario before AWS

7. The information contained in this document is confidential and proprietary to YOOX Group
Standard Configuration
7
 DB Connection
 Site URL and Home URL
 Cookie Domain
Params are stored inside wp-config.php
Stored inside DB during installation.
Can be overridden by constants inside
config file
Defined inside config file.
Needed to correctly handle cookies based
functionalities (login, sessions etc).

8. The information contained in this document is confidential and proprietary to YOOX Group
WordPress: Application Strategy on AWS Architecture
8
 Standard setup: single server stateful application
 Standard Configuration
 Standard WordPress migration
Scenario before AWS

9. The information contained in this document is confidential and proprietary to YOOX Group
Standard WordPress migration
9
 Move code bundle
 Move uploaded assets
 Reconfigure domains
Core, themes and plugins
Multimedia files
Settings inside DB or through wp-config.php

10. The information contained in this document is confidential and proprietary to YOOX Group
Moving WordPress to the cloud
10
 Setup
 Wordpress customization
 Custom wp-config.php and wp-config.xml
 Stateless application: load balancing and assets (S3)
 Post deploy action
 S3fs
Scenario with AWS

11. The information contained in this document is confidential and proprietary to YOOX Group
Set up (AWS)
11
 WordPress is installed onto AWS EB container
 AWS EB automatically handles the details of
capacity provisioning, load balancing, scaling,
and application health monitoring
 Amazon Relational Database Service (Amazon
RDS) is a web service that makes it easier to set
up, operate, and scale a relational database in
the cloud.
 Amazon ElastiCache is a web service that
makes it easy to set up, manage, and scale
distributed in-memory cache environments in the
cloud
 WordPress installation remains the same against
an architecture

12. The information contained in this document is confidential and proprietary to YOOX Group
Moving WordPress to the cloud
12
 Setup
 Wordpress customization
 Custom wp-config.php and wp-config.xml
 Stateless application: load balancing and assets (S3)
 Post deploy action
 S3fs
Scenario with AWS

13. The information contained in this document is confidential and proprietary to YOOX Group
WordPress Customization
13

14. The information contained in this document is confidential and proprietary to YOOX Group
Moving WordPress to the cloud
14
 Setup
 Wordpress customization
 Custom wp-config.php and wp-config.xml
 Stateless application: load balancing and assets (S3)
 Post deploy action
 S3fs
Scenario with AWS

15. The information contained in this document is confidential and proprietary to YOOX Group
WordPress customization :: Custom wp-config.php and wp-config.xml
15
 For each request wp-config.php loads settings
and configurations stored in wp-config.xml
 When all is ready WP will be initialized with right
configurations
 The configurations are different for each
environments
 wp-config.php takes right configurations against
an environment
 WordPress can run among environments without
any change to the DB or variables inside wp-
config.php

16. The information contained in this document is confidential and proprietary to YOOX Group
Moving WordPress to the cloud
16
 Setup
 Wordpress customization
 Custom wp-config.php and wp-config.xml
 Stateless application: load balancing and assets (S3)
 Post deploy action
 S3fs
Scenario with AWS

17. The information contained in this document is confidential and proprietary to YOOX Group
WordPress customization :: Stateless application
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 Load balanced application
 Auto scaling policies and ranges
 Same WordPress code bundle shared
among multiple instances
 The assests are stored onto S3 (Simple
Storage Service)

18. The information contained in this document is confidential and proprietary to YOOX Group
Moving WordPress to the cloud
18
 Setup
 Wordpress customization
 Custom wp-config.php and wp-config.xml
 Stateless application: load balancing and assets (S3)
 Post deploy action
 S3fs
Scenario with AWS

19. The information contained in this document is confidential and proprietary to YOOX Group
WordPress customization :: Post deploy action
19
When deploying your applications, you may want to
customize and configure the software that your
application depends on. These files could be either
dependencies required by the application for example,
additional packages from the yum repository or they could
be configuration files such as a replacement for httpd.conf
to override specific settings that are defaulted by AWS
Elastic Beanstalk. You may also want to customize your
environment resources that are part of your AWS Elastic
Beanstalk environment (e.g., SQS queues, ElastiCache
clusters). For example, you may want to add an Amazon
SQS queue and an alarm on queue depth, or you might
want to add an Amazon ElastiCache cluster.
EB Extension references
 S3 bucket is mounted via eb commands

20. The information contained in this document is confidential and proprietary to YOOX Group
Moving WordPress to the cloud
20
 Setup
 Wordpress customization
 Custom wp-config.php and wp-config.xml
 Stateless application: load balancing and assets (S3)
 Post deploy action
 S3fs
Scenario with AWS

21. The information contained in this document is confidential and proprietary to YOOX Group
WordPress customization :: S3 FS (File System)
21
 Assets are stored onto S3 bucket
 S3 is mounted onto instance
 For WordPress the images are stored onto
instance but in the real world the assests
are saved onto S3 bucket
 Against multiple instances (one WP per
instance ) the assets remain the same
 S3fs allows Linux and Mac OS X to mount
an S3 bucket via FUSE
 With FUSE it is possible to implement a fully
functional filesystem in a userspace program

22. The information contained in this document is confidential and proprietary to YOOX Group
We are happy
22
We can no longer say that to have one’s head in the clouds is bad
(Non possiamo più dire che avere la testa tra le nuvole sia negativo)

23. The information contained in this document is confidential and proprietary to YOOX Group
www.yooxgroup.com
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