ddd4j-boot Architecture

Overview

Targets the current ddd4j-boot maintenance line: parent, dependencies, bom, core, auth, data, mq, web, cache, extensions, samples. Confirm the version line first, then apply this skill.

When to Use

• Deciding which responsibilities belong in ddd4j-boot-parent, ddd4j-boot-dependencies, ddd4j-boot-bom, versus the concrete feature modules (core, auth, data, mq, web, cache, extensions).
• Reviewing whether a Boot module wrongly re-implements or copies ddd4j-core semantics instead of assembling them.
• Separating aggregator POMs from concrete implementation modules, or deciding whether something is a starter.
• Auditing that platform versions are owned by the BOM and have not leaked into concrete modules.
• Locating the auto-configuration entry points, default implementations, and user override points of a module.
• Reconciling architecture differences between two of the 13 maintenance lines (Boot 2.3–4.1).

When NOT to Use

Do not use this skill when: