Symfony Messenger

on YouTube ↗02h 05m

" summary

Fast, practical demo of Symfony Messenger: message buses, middleware and envelope stamps used to route messages to transports (Doctrine or RabbitMQ) and run workers with bin/console messenger:consume. Shows a small betting app, adds a delete message and an audit middleware, demonstrates immutable Envelope (must reassign after with()), and carries a message identifier stamp so logs match across web and worker. Covers delay stamps, default retry strategy (3 tries with exponential backoff), failed-transport to store and manually retry failed messages, and a custom HTTP transport example that works end-to-end.

AI-written summary · about

" chapters (15)

1. 0:00Introduction to Symfony Messenger
2. 1:10Core concepts of Messenger
3. 13:11Setting up the demo app
4. 26:39Creating first message and handler
5. 37:06Understanding middleware
6. 45:23Building an audit middleware
7. 53:29Synchronous vs asynchronous processing
8. 1:01:14Configuring RabbitMQ transport
9. 1:14:04Tracking message lifecycle with stamps
10. 1:25:53Creating custom stamps
11. 1:36:32Delaying message execution
12. 1:38:21Handling failures and retries
13. 1:45:36Configuring retry strategies
14. 1:53:43Failed transport and recovery
15. 2:01:05Creating custom transports

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