Small summary :

As a summary of the project, it is a project that takes the values of some stock market shares in BIST, thanks to the finance-stream-service, adds them to elasticsearch and creates a cloud stream with the data it receives and aims to use the data received by other services.

Some pictures on project...

Project Properties:

- Java 17
- Intellij
- Maven
- Git
- Docker

Desing Pattern Properties:

• Microservices
• Modular architecture
• Reusable modules
• Independent develop
• Independent deploy 
• Messaging 
• Event-driven
• Event sourcing
• CQRS
• Externalized config
• Api Gateway
• Circuit Breaker
• Service Discovery
• Log aggreation
• Distributed tracing
• Monitoring
• Authentication/Authorization
• Database per service

Services Proterties:

Config Server

• Externalized config pattern
• Define config git repository
• Connect to github
• Security configuration
• Enable encryption for sensitive data

Api Gateway

• Spring cloud gateway
• Client side load balancing
• Circuit breaker & fallbacks with resilience4j
• Rate limiting with redis
• Docker redis

Registry Service

• Service discovery and registration with netflix eureka
• High availability

Auth Service

• Keycloak authz server docker
• Oauth2, open id connect
• Jwt
• Spring oauth2 resource server
• Spring oauth2 client
• Single sign-on

Finance Stream Service

• Spring boot
• Kafka basics
• Spring-kafka (producer)
• Kafka avro
• Kafka admin
• Docker kafka
• Maven basics
• Logback
• Feign Client

Kafka To Elastic Service

• Elasticsearch basics
• Elastic index
• Docker elastic
• Spring-elastic
• Spring-kafka (consumer)

Query Service

• Spring web
• Hateoas
• Controller advice
• Api versioning
• Elastic query
• Open api docs
• Reactive query with elastic

Web Api

• Spring Webclient
• Spring thymeleaf
• Bootstrap
• Reactive webclient and thymeleaf
• Client side Load balancing

Analystic Service

• Spring data (postgresql)
• CRUD
• Batch inserts with spring data jpa

Kafka Streams Service

• Kafka streams
• Kafka key/value stores

Monitoring & Visulation

• Spring boot actuator
• Prometheus metrics
• Grafana visualization

Log & Aggregation

• Log aggregation
• Distributed tracing
• Logback & Logstash
• Kibana visualization