Communication
Prefer async events for decoupling and sync calls for queries.
What you will be able to do
- Use events for side effects.
- Use HTTP/gRPC for reads.
- Version contracts.
In plain English
Prefer async events for decoupling and sync calls for queries.
- Use events for side effects.
- Use HTTP/gRPC for reads.
- Version contracts.
order.created -> email service (event)
GET /catalog/:id -> catalog service (sync)Your turn
EasyExplain it back
Answer from memory: Which style decouples services most?
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Knowledge checkQuestion 1
Which style decouples services most?
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