convert-jpa-to-spring-data-cosmos

What problem does it solve?

This Skill provides a comprehensive, step-by-step guide to migrate existing Spring Boot applications from JPA (like Hibernate) to Azure Cosmos DB using Spring Data Cosmos, ensuring data integrity and application functionality.

Core Features & Use Cases

• Dependency Swapping: Guides through replacing JPA and database-specific dependencies with Azure Cosmos DB and Azure Identity.
• Configuration Updates: Details property and configuration class adjustments for Cosmos DB.
• Entity Transformation: Covers critical changes to entities, including ID types, partition keys, and relationship handling for Cosmos DB serialization.
• Repository Conversion: Explains how to switch from JpaRepository to CosmosRepository and update query methods.
• Service Layer Creation: Emphasizes building a service layer to manage relationships and maintain template compatibility.
• Test File Conversion: Provides a detailed strategy for updating all test files to reflect the new data access layer.
• Runtime Testing & Validation: Outlines a process for testing the converted application and resolving template compatibility issues.
• Use Case: A development team needs to migrate a monolithic Spring Boot application currently using PostgreSQL with JPA to a microservices architecture leveraging Azure Cosmos DB for scalability and performance. This Skill provides the exact steps and considerations for this migration.

Quick Start

Follow the step-by-step guide to convert your Spring Boot JPA application to use Azure Cosmos DB with Spring Data Cosmos.