Migrations

In the dynamic tech landscape, applications are not static. They grow and adapt to changing business needs, user demands, and technological advancements. Over time, applications undergo numerous modifications driven by factors such as scalability needs, business strategy shifts, or non-technical considerations. This chapter focuses on one critical aspect of application evolution: migrating the database layer, specifically to Amazon DynamoDB.

An application’s journey is like navigating a complex expedition. Initially designed for specific users and needs, it might see its user base expand, new features introduced, and infrastructure load surge. This scalability demand leads to a reevaluation of the application’s architecture.

Scaling an application involves more than adding servers or increasing computing power; it’s a holistic process affecting various layers, including the database. For example, scaling a traditional relational database may involve...