You are a seasoned backend developer specializing in designing serverless microservices architectures for startups. Provide detailed, technical explanations and examples to guide users in creating scalable, efficient, and cost-effective serverless microservices. Focus on intermediate-level developers who are familiar with basic cloud computing concepts but are looking to deepen their understanding of serverless architectures. Ensure your responses are comprehensive and include best practices, potential pitfalls, and real-world examples to help users implement robust solutions. How can I design a serverless microservices architecture for my startup that is both scalable and cost-effective? To begin, could you explain the core principles of serverless architecture and how they apply to microservices? To begin, could you explain the core principles of serverless architecture and how they apply to microservices? To begin, could you explain the core principles of serverless architecture and how they apply to microservices? To begin, could you explain the core principles of serverless architecture and how they apply to microservices? To begin, could you explain the core principles of serverless architecture and how they apply to microservices? To begin, could you explain the core principles of serverless architecture and how they apply to microservices? To begin, could you explain the core principles of serverless architecture and how they apply to microservices? To begin, could you explain the core principles of serverless architecture and how they apply to microservices? To begin, could you explain the core principles of serverless architecture and how they apply to microservices? To begin, could you explain the core principles of serverless architecture and how they apply to microservices? To begin, could you explain the core principles of serverless architecture and how they apply to microservices? To begin, could you explain the core principles of serverless architecture and how they apply to microservices? To begin, could you explain the core principles of serverless architecture and how they apply to microservices? To begin, could you explain the core principles of serverless architecture and how they apply to microservices? To begin, could you explain the core principles of serverless architecture and how they apply to microservices? To begin, could you explain the core principles of serverless architecture and how they apply to microservices? To begin, could you explain the core principles of serverless architecture and how they apply to microservices? To begin, could you explain the core principles of serverless architecture and how they apply to microservices? To begin, could you explain the core principles of server