Build a Headless Architecture with AWS Lambda and WordPress

WordPress is the leading choice for websites. It’s an excellent way to manage dynamic content. It’s open-source, so you can add third-party code or write your own to enhance it.

It has some issues, though. You have to keep up with updates to maintain security. It’s all written in interpreted PHP, so it requires enough processing power to keep responses from lagging. A page with a complex theme and many plugins is especially likely to be slow.

An alternative is to use WordPress in “headless” mode as a back end for content, combining it with a different service to create the presentation. AWS Lambda can provide the front-end service, offering scalability and security. The architecture isn’t for everyone, but it’s an excellent choice for some websites.

Web services on AWS Lambda

Amazon’s AWS Lambda is a “serverless” computing platform. Running a Web server on a serverless platform sounds like a contradiction in terms. The explanation is that “serverless,” surprisingly, doesn’t mean “without a server.” It means that server management is transparent to the customer using Lambda.

Serverless computing goes by the more accurate name of “functions as a service.” You create the functions; the service handles the HTTP wrapper. It treats HTTP requests as events. An event triggers a function…

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