Spring Boot — MongoDB

Apply Spring Data MongoDB guidance with concrete examples for design, implementation, and error handling.

Constraints

Compile before MongoDB refactors; verify after changes.

• MANDATORY: Run ./mvnw compile or mvn compile before applying any change
• SAFETY: If compilation fails, stop immediately
• VERIFY: Run ./mvnw clean verify or mvn clean verify after applying improvements
• BEFORE APPLYING: Read the reference for detailed rules and examples

When to use this skill

• Add MongoDB in Spring Boot
• Review Spring Data Mongo repositories/documents
• Improve duplicate key handling, retries, or optimistic locking in Mongo flows
• Model MongoDB documents for a Spring Boot service
• Configure Spring Data MongoDB indexes or transactions