Welcome to the exciting world of Microservices! In this chapter, we will try to understand what Microservices are, how and why we are shifting from age-old practice of creating a giant monolithic application to Microservices, and the advantages and challenges of using Microservices.

In this chapter,we will try to answer some of the important questions regarding Microservices, and then in the rest of the book, we will take a deeper look at things such as the creation of Microservices, security, communication, monitoring, and documentation.

In this chapter, we will cover the following topics:

• What is Monolith design?
• The challenges associated with Monolith design
• Service-oriented architecture
• Understanding Microservices
• The advantages of Microservices
• The challenges associated with Microservices