315-frameworks-spring-mongodb
Use when you need to design or implement MongoDB data access in Spring Boot — including document modeling, Spring Data Mongo repositories/templates, indexing, optimistic concurrency, and error handling. This should trigger for requests such as Add MongoDB in Spring Boot; Review Spring Data Mongo design; Improve error handling for Mongo writes; Model MongoDB documents for a Spring Boot service; Configure Spring Data MongoDB indexes or transactions. Part of Plinth Toolkit
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--- name: 315-frameworks-spring-mongodb description: Use when you need to design or implement MongoDB data access in Spring Boot — including document modeling, Spring Data Mongo repositories/templates, indexing, optimistic concurrency, and error handling. This should trigger for requests such as Add MongoDB in Spring Boot; Review Spring Data Mongo design; Improve error handling for Mongo writes; Model MongoDB documents for a Spring Boot service; Configure Spring Data MongoDB indexes or transactions. Part of Plinth Toolkit license: Apache-2.0 --- # 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 ## Workflow 1. **Read reference and assess project context** Read `references/315-frameworks-spring-mongodb.md` and inspect persistence setup before proposing changes. 2. **Gather scope and decide target improvements** Identify data model, consistency, and query requirements to define safe improvements. 3. **Apply framework-aligned changes** Implement/refactor mappings, repositories, indexes, and failure handling policies. 4. **Run verification and report results** Execute build/tests and summarize what changed, what was verified, and follow-up actions. ## Reference For detailed guidance, examples, and constraints, see [references/315-frameworks-spring-mongodb.md](references/315-frameworks-spring-mongodb.md).
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