Congratulations on making it to the end of this chapter! We learned about some of the more advanced topics that will help you take your Lambda functions to the next level. Whether you want to bring your favorite runtime or make better use of code across your function fleet, you now have the knowledge to start. Take these new skills away and experiment before bringing them into your team's development practices. Figure out what works for you and what you might plan to do in the future. 

In the next chapter, we'll learn about an application framework that can make our lives even easier by declaring and configuring infrastructure for us, making for an awesome developer experience. Keep reading to find out more!