How to deploy Wordpress in AWS
I’m not talking about launching an EC2 instance, uploading the zip with WordPress and going through the installer. I’m talking about immutable infrastructure, scalable, self-healing setup of WordPress within AWS.
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ELB ProxyProtocol with CloudFormation
When using AWS Elastic Load Balancer with TCP listeners (not HTTP or HTTPS), the biggest problem faced by many people is the lack of client’s IP address. Since it’s TCP which works on a lower layer, the ELB does not add the X-Forwaded-For header (like it does for HTTP and HTTPS). For some time, this meant that if you used those listeners, you had no way of getting the original client’s IP address.
Using Troposphere to create CloudFormation stack template
If you’ve ever wrote AWS CloudFormation template, you probably know that it can be a daunting task. Luckily, it can be much easier, if you use Python’s library “Troposphere”.
Troposphere lets you create Python objects in place of CloudFormation elements, does some basic validation of your input and generates the JSON template for CloudFormation for you. It is much easier and cleaner to use that writing JSON templates manually.
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