Best Free Serverless Computing Services in 2025

Components of serverless cloud computing includes a FaaS solution, the client interface, web servers, security services, the API gateway, and a backend database.

• Advantages of serverless computing include automatic scaling, reduced operational overhead, and cost-efficiency.
• Disadvantages of serverless computing include security, complexity, and privacy.

If your EC2 works in a VPC but Lambda fails on a call to iot:describe-endpoint, check the Lambda function's execution role permissions. Ensure it has the necessary IAM permissions to access IoT resources, including the describe-endpoint action.

Running WordPress on Lambda using AWS Lambda Web Adapter is technically possible but complex due to Lambda's stateless nature. It may not be the best approach for hosting WordPress due to performance and scalability limitations. Consider traditional hosting solutions for WordPress.

If you publish an AWS Lambda function, you will see that the system creates an updated version each time the function is published. An updated version is a copy of an unpublished function. In order to ensure consistency for users, the code and most settings are locked when a version is published.

If the code in the unpublished version is the same as in the previously published version, Lambda doesn't create a new version. Creating an updated version requires deploying code changes in $LATEST.