API Gateway
Service Registry
Config Server
Commerce (Microservice)
Batch Management (Microservice)
Spring Batch (Microservice)
Angular UI (batch-ng)
Spring AOP
OpenZipkin Server (Distributed Tracing) 🐳
Prometheus Server (Distributed Metrics) 🐳
Kafka for distributed logs using log4j appender
Circuit Breaker
gRPC and Messaging based communication
and so on...