[IDLE-248] config: Dockerfile 수정 및 shell script 추가

- fargate 동작시, eureka 서버에 private ip가 아닌 메타데이터의 ip가 등록된다.
- shell script를 통해 런타임 시점에서 메타데이터 ip에 등록된 private ip를 가져오도록 함.
- with @0112leesy

backend/book-service/Dockerfile

@@ -1,3 +1,8 @@
 FROM openjdk:21-ea-17-jdk-slim
 COPY build/libs/book-service-0.0.1-SNAPSHOT.jar book-service.jar
-CMD ["java", "-jar", "book-service.jar"]
+
+RUN apt update && apt install curl -y && apt install jq -y
+COPY entrypoint.sh /usr/local/bin/
+
+RUN chmod +x /usr/local/bin/entrypoint.sh
+ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]

backend/book-service/entrypoint.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+response=$(curl -s ${ECS_CONTAINER_METADATA_URI_V4})
+export ECS_INSTANCE_IP_ADDRESS=$(echo $response | jq -r '.Networks[0].IPv4Addresses[0]')
+echo $ECS_INSTANCE_IP_ADDRESS
+
+java -jar book-service.jar

backend/user-service/Dockerfile

@@ -1,3 +1,8 @@
 FROM openjdk:21-ea-17-jdk-slim
 COPY build/libs/user-service-0.0.1-SNAPSHOT.jar user-service.jar
-CMD ["java", "-jar", "user-service.jar"]
+
+RUN apt update && apt install curl -y && apt install jq -y
+COPY entrypoint.sh /usr/local/bin/
+
+RUN chmod +x /usr/local/bin/entrypoint.sh
+ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]

backend/user-service/entrypoint.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+response=$(curl -s ${ECS_CONTAINER_METADATA_URI_V4})
+export ECS_INSTANCE_IP_ADDRESS=$(echo $response | jq -r '.Networks[0].IPv4Addresses[0]')
+echo $ECS_INSTANCE_IP_ADDRESS
+
+java -jar user-service.jar