Getting started with Orchestration and Choreography in Distributed Applications
summary
State machines with AWS Step Functions coordinate retries, parallel steps and long waits while EventBridge routes events between microservices using JSON envelopes and rules. The conference demo is AAL espresso an event driven coffee shop built with Lambda DynamoDB API Gateway Amplify IoT that serves about 1,000 drinks/day and runs for roughly $8–$10/day. Saga-style compensating actions undo failures and Step Functions give auditable inputs and outputs so orchestration and choreography combine into a working scalable system.
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chapters (8)
- 0:00Orchestration vs choreography
- 10:13Orchestration with state machines
- 18:20Event choreography for microservices
- 24:06Saga patterns for errors
- 27:39Orchestration vs choreography choice
- 29:44Designing with both patterns
- 31:31Serverless coffee shop example
- 38:58Summary
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