An Introduction to Symfony Messenger
summary
Symfony Messenger shows how to turn plain PHP objects into messages, route them via a message bus, and process them either synchronously or via transports like AMQP/Redis/Doctrine transports. Handlers use PHP’s __invoke and are auto-discovered or tagged, middleware composes behavior, and messages travel wrapped in an Envelope and Stamps carrying metadata and handler results. Retries default to 3 retries with exponential backoff and failed messages can be routed to a failure transport for inspection.
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chapters (23)
- 0:00Introduction
- 1:50Symphony
- 6:14Experimental
- 8:18Message
- 9:41Message Bus
- 14:31Message Handler
- 16:21MessageSubscriber
- 18:29Transports
- 19:25QP
- 20:20Redis
- 20:46Doctrine
- 21:51Setup Transports
- 22:40Consuming
- 25:14Bus
- 27:08Failure
- 27:25Retry Strategies
- 28:03Exceptions
- 28:29Failure Transport
- 29:23Middleware
- 32:47Order Matters
- 33:24Envelopes
- 34:27Handlestamp
- 36:32Middleware Stack
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