Initial draft

rabbitmq.md

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+rabbitmqctl add_vhost app_notifications
+rabbitmqctl add_user notifier strongpassword
+rabbitmqctl set_user_tags notifier management
+rabbitmqctl set_permissions -p app_notifications notifier ".*" ".*" ".*"
+rabbitmqadmin --username "admin" --password "admin" declare exchange --vhost "app_notifications" --name "app_notifications"   --type "topic"   --durable "true"
+rabbitmqadmin --username "admin" --password "admin" declare queue  --vhost "app_notifications"   --name "notifications_retry"
+ --durable "true"
+ rabbitmqadmin --username "admin" --password "admin" declare queue  --vhost "app_notifications"   --name "notifications_dlq"
+ --durable "true"
+rabbitmqadmin --username "admin" --password "admin" declare queue  --vhost "app_notifications"   --name "notifications"
+ --durable "true"
+ rabbitmqadmin --username "admin" --password "admin" declare binding --vhost "app_notifications" --source "app_notifications" --destination "notifications" --destination-type "queue" --routing-key "notify.*"
+
+ # Retry policy: messages stay for 30s before going back to main queue
+rabbitmqctl set_policy \
+  --vhost app_notifications \
+  retry_policy "^notifications_retry$" \
+  '{"dead-letter-exchange":"app_notifications",
+    "dead-letter-routing-key":"notify.retry",
+    "message-ttl":30000}' \
+  --apply-to queues
+
+# DLQ policy: permanent dead letter storage
+rabbitmqctl set_policy \
+  --vhost app_notifications \
+  dlq_policy "^notifications$" \
+  '{"dead-letter-exchange":"app_notifications",
+    "dead-letter-routing-key":"notify.dlq"}' \
+  --apply-to queues