Spring Data - Easy MongoDB Migration Using Mongock

In this story, we’ll learn how to manage and apply MongoDB database schema changes using Mongock.

· Prerequisites
· Overview
∘ What is Mongock?
∘ Why Mongock?
∘ Mongock Architecture
· Let’s get to the code
∘ Add Dependencies
∘ Enable Mongock
∘ Create Migration Classes
· Test the application
· Conclusion
· References

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Prerequisites

This is the list of all the prerequisites:

• Spring Boot 3+
• Maven 3.6.3
• Java 21
• MongoDB instance (v6 or later) installed

Overview

In one of my projects, I was looking for simple options to manage MongoDB database schema changes, similar to those in other projects like Flyway or Liquibase. I found Mongock, an open-source Java MongoDB tool.

What is Mongock?