Generate a production-ready docker-compose.yml for a multi-service infrastructure stack — messaging (Kafka/ZooKeeper, RabbitMQ, NATS), object storage (MinIO), search (Elasticsearch/OpenSearch), databases, caches, web servers and auth (Keycloak/Vault). Every service is health-checked, on a private bridge network, with named volumes and a matching .env.example. Kafka auto-wires its required ZooKeeper.
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