advancedDocker & Docker Compose
Why is Docker Compose useful for local development of a multi-service Spring Boot app even though production uses Kubernetes?
Compose lets you define the app plus its dependencies (Postgres, Redis, Kafka) as one `docker-compose.yml` and bring the entire stack up with a single command, matching production's container-based topology closely enough to catch integration issues early, without needing the operational overhead of a full Kubernetes cluster just to develop locally.
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