department-service -> port: 8088

## application.properties #####################
spring.application.name=department-service
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
spring.datasource.url=jdbc:mysql://localhost:3307/department_db?allowPublicKeyRetrieval=true&useSSL=false
spring.datasource.username=root
spring.datasource.password=1234

spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQLDialect
spring.jpa.hibernate.ddl-auto=update
spring.jpa.show-sql=true
spring.jpa.properties.hibernate.format_sql=true
spring.jpa.open-in-view=false
###############################################

user-service -> port: 8087

## application.properties #####################
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver
server.port=8088
spring.application.name=user-service
spring.datasource.url=jdbc:mysql://localhost:3308/user_db?allowPublicKeyRetrieval=true&useSSL=false
spring.datasource.username=root
spring.datasource.password=1234

spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQLDialect
spring.jpa.hibernate.ddl-auto=update
spring.jpa.show-sql=true
spring.jpa.properties.hibernate.format_sql=true
spring.jpa.open-in-view=false
###############################################

- department-service 입력
http://127.0.0.1:8087/api/departments -> POST 방식으로 호출
{
    "id" : 1, 
    "departmentName" : "IT Admin",
    "departmentAddress" : "Busan",
    "departmentCode" : "1"
}
http://127.0.0.1:8087/api/users -> POST 방식으로 호출
- user-service 입력
{
    "firstName" : "Dennis",
    "lastName" : "Lee",
    "email" : "itgenius1004@gmail.com",
    "departmentId" : "1"
}

consumer-service 
producer-service 

bin/kafka-console-consumer.sh --topic mytopic2 --from-beginning --bootstrap-server localhost:9092

* Apache Kafka 직접 실행하기
$ bin/zookeeper-server-start.sh config/zookeeper.properties
$ bin/kafka-server-start.sh config/server.properties

order-service
payment-service
stock-service
delivery-service

주문 : order-service -> port: 8080 
결재 : payment-service -> port: 8081
재고 : stock-service -> port: 8082
배송 : delivery-service -> port: 8083

mysql -> port: 3310
ordersdb, paymentsdb, stockdb, deliverydb

-> 재고에 노트북 100개 추가
curl --location 'http://127.0.0.1:8082/api/addItems' \
--header 'Content-Type: application/json' \
--data '{
    "item": "notebook",
    "quantity": 100
}'

-> 노트북 10개 주문
curl --location 'http://127.0.0.1:8080/api/orders' \
--header 'Content-Type: application/json' \
--data '{
    "item": "notebook",
    "quantity": 10,
    "amount": 2000000,
    "paymentMode": "Credit Card",
    "orderId": 1,
    "address": "Seoul"
}'


* Docker 이미지 생성
mvn compile -> class
mvn package -> jar
docker build -t user-service:1.0 .

* 빌드팩을 사용하여 애플리케이션을 OCI 이미지로 패키징 -> Docker 이미지 생성
mvn spring-boot:build-image 

* Docker 이미지 실행
- Docker 명령으로 실행
- Docker Compose yml로 실행


* 마이크로서비스 간의 동기식 통신 방식
1. RestTemplate(O)
2. WebClient(X)
2. Spring Cloud Open Feign(O)

* 마이크로서비스 간의 비동기식 통신 방식
1. 메시지 브로커 기반 통신
- Kafka사용
- RabbitMQ사용용
2. 이벤트 기반 아키텍처
- Spring Cloud Stream
3. 이벤트 소싱 패턴
- Axon Framework사용


* 배포본 내보내기, 가져오기
https://learn.microsoft.com/ko-kr/windows/wsl/basic-commands?source=recommendations