Learn the fundamentals of serverless architecture and build a serverless application using AWS Lambda in this comprehensive crash course. Explore key concepts including Infrastructure as Code (IaC), YAML file configuration, and middleware implementation. Begin with an introduction to serverless computing, then dive into IAM and AWS CLI setup. Create a serverless application from scratch, analyze the YAML file structure, and develop Lambda functions. Gain hands-on experience throughout the course, culminating in practical middleware implementation for your serverless project.