What is the main purpose of the AWS Well-Architected Framework?

The main purpose of the AWS Well-Architected Framework is to provide a structured approach for developers and architects to create secure, high-performing, resilient, and efficient infrastructure for their applications. This framework is built around best practices and principles that align with five key pillars: operational excellence, security, reliability, performance efficiency, and cost optimization.

By adhering to the guidelines in the Well-Architected Framework, teams can evaluate their cloud architectures, improve their applications over time, and ensure that they meet the required business and technical standards. The framework not only focuses on security but also encompasses overall application performance and infrastructure resilience, giving a holistic view of what it means to maintain good cloud architecture.

While the other options touch on important aspects of cloud computing, they do not capture the comprehensive nature of the Well-Architected Framework. For instance, while building secure applications is vital, it is only one aspect of the broader objectives set forth by the framework. Similarly, optimizing cloud storage costs or enhancing mobile application performance is part of the journey towards a well-architected solution but doesn’t fully represent the framework's complete purpose. The Well-Architected Framework encourages a multi-faceted approach that goes beyond individual components, focusing instead on the architecture as a whole.