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====== RabbitMQ Handbook ======

===== 1. Introduction =====
- What is RabbitMQ
- Message broker concept
- Why RabbitMQ exists
- Real-world analogy

===== 2. Core Architecture =====
- Producer
- Consumer
- Broker
- Message
- Queue
- Exchange
- Binding
- Routing Key
- Virtual Host (vhost)
- Channel
- Connection

===== 3. Exchange Types =====
- Direct Exchange
- Fanout Exchange
- Topic Exchange
- Headers Exchange
- Default Exchange
- Use cases
- Routing examples

===== 4. Message Flow =====
Producer → Exchange → Queue → Consumer

===== 5. Queue Concepts =====
- Durable queue
- Transient queue
- Exclusive queue
- Auto-delete queue
- Queue TTL
- Message TTL
- Dead Letter Queue (DLQ)
- Dead Letter Exchange (DLX)
- Priority queue
- Lazy queue
- Quorum queue
- Stream queue
- Single Active Consumer

===== 6. Delivery & Reliability =====
- ACK
- NACK
- Reject
- Redelivery
- Prefetch / QoS
- Retry pattern
- Poison message
- Idempotency
- At least once
- At most once
- Exactly once (why hard)

===== 7. Persistence =====
- Durable exchange
- Durable queue
- Persistent message
- Disk vs memory
- Crash recovery

===== 8. RabbitMQ Clustering =====
- Cluster
- Node
- Metadata replication
- Queue location
- Network partition

===== 9. High Availability =====
- Mirrored queue (legacy)
- Quorum queue
- Leader/Follower
- Failover

===== 10. Federation & Shovel =====
- Federation
- Shovel
- Multi-datacenter

===== 11. Security =====
- Authentication
- Authorization
- TLS
- User permissions
- vhost isolation

===== 12. Performance Tuning =====
- Prefetch tuning
- Connection/channel pooling
- Queue design
- Backpressure
- Throughput optimization

===== 13. Monitoring =====
- Management UI
- Metrics
- Queue depth
- Consumer lag
- Prometheus + Grafana

===== 14. RabbitMQ Patterns =====
- Work Queue
- Pub/Sub
- Routing
- RPC
- Saga/Event-driven
- Outbox + RabbitMQ
- Retry + DLQ
- Delay queue

===== 15. RabbitMQ vs Kafka =====
- Architecture
- Ordering
- Replay
- Throughput
- Use cases
- When to use both

===== 16. RabbitMQ in Go =====
- amqp091-go
- Producer example
- Consumer example
- Clean Architecture integration
- Outbox relay

===== 17. Best Practices =====
- Naming conventions
- Queue ownership
- Retry strategy
- Error handling
- Scaling consumers
- Production checklist

[[https://drive.google.com/file/d/1W0w6Au8RTOPfMOx0gRfbPZltjMmcRwa_/view?usp=sharing]]