RabbitMQ bruges til asynkron, afkoblet kommunikation — almindelige use cases omfatter task/job-køer, microservices-messaging, lastfordeling og forskellige messaging-mønstre. At forstå use cases præciserer, hvor RabbitMQ passer ind.
Almindelige use cases
✓ TASK / JOB QUEUES → offload time-consuming work to background workers (e.g. send emails,
process images, generate reports) → fast responses, async processing (the classic use)
✓ DECOUPLING microservices → services communicate via messages (independent, resilient)
✓ LOAD DISTRIBUTION → distribute tasks across multiple workers (competing consumers →
parallel processing, scaling)
✓ ASYNC workflows → coordinate steps in a process via messages
✓ PUB/SUB → broadcast events to multiple consumers (fanout)
✓ RPC / request-reply → request/response messaging between services
✓ Buffering / smoothing load → absorb spikes; workers process steadily
