Explain advanced microservices decomposition strategies using domain boundaries in PHP systems.

Microservices decomposition splits monolithic systems into independently deployable services aligned with business domains and bounded contexts.

Decomposing a monolith is one of the hardest architectural challenges.

Bad decomposition leads to:

Good decomposition aligns with domain-driven design.

Decomposition strategies:

Split by business functions.

Align with DDD contexts.

Each service owns its data.

Avoid distributed transactions where possible.

Services communicate via events.…