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feat: AWS CodeDeploy 자동 배포 파이프라인 구축
 - CodeBuild/CodeDeploy 설정 파일 추가 (appspec.yml, buildspec.yml) - 배포 라이프사이클 스크립트 구현 (before_install, start, stop, validate) - systemd 기반 애플리케이션 서비스 관리 설정 - 빌드 정보 조회 API 엔드포인트 추가 (/api/build) - 헬스체크 스크립트로 배포 후 검증 자동화 - 보안: *.pem 파일 .gitignore에 추가
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‎.gitignore‎

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.env
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nul
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*.key
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*.pem
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*.jar
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!.mvn/wrapper/maven-wrapper.jar
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!gradle/wrapper/gradle-wrapper.jar

‎appspec.yml‎

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version: 0.0
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os: linux
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files:
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- source: app/app.jar
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destination: /home/ec2-user/app
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- source: scripts/
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destination: /home/ec2-user/scripts
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- source: systemd/
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destination: /home/ec2-user/systemd
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permissions:
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- object: /home/ec2-user/scripts
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pattern: "*"
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owner: ec2-user
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group: ec2-user
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mode: 755
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- object: /home/ec2-user/app
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pattern: "*"
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owner: ec2-user
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group: ec2-user
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mode: 644
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hooks:
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BeforeInstall:
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- location: scripts/before_install.sh
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timeout: 600
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runas: ec2-user
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ApplicationStop:
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- location: scripts/stop_app.sh
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timeout: 300
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runas: ec2-user
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ApplicationStart:
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- location: scripts/start_app.sh
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timeout: 600
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runas: ec2-user
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ValidateService:
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- location: scripts/validate.sh
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timeout: 600
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runas: ec2-user

‎buildspec.yml‎

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version: 0.2
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phases:
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install:
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commands:
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- set -e
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- echo "[install] check maven"
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- if ! command -v mvn >/dev/null 2>&1; then yum -y install maven || (apt-get update && apt-get -y install maven); fi
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- mvn -version || true
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- java -version || true
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pre_build:
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commands:
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- set -euo pipefail
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- echo "[pre_build] verify pom at app/pom.xml"
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- '[ -f app/pom.xml ] || { echo "app/pom.xml not found"; ls -la; exit 1; }'
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build:
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commands:
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- set -e
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- echo "[build] mvn package (skip tests)"
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- mvn -B -DskipTests -f app/pom.xml clean package
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post_build:
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commands:
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- set -e
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- echo "[post_build] locate jar"
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- JAR_PATH="$(ls -1 app/target/*.jar | grep -Ev '(-sources|-javadoc|-original)\.jar$' | head -n1 || true)"
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- '[ -n "${JAR_PATH:-}" ] || { echo "JAR not found under app/target"; ls -la app/target || true; exit 1; }'
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- echo "JAR_PATH=${JAR_PATH}"
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- echo "[post_build] stage artifact/"
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- rm -rf artifact && mkdir -p artifact/app artifact/app/public
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- cp "${JAR_PATH}" artifact/app/app.jar
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- cp appspec.yml artifact/
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- cp -r scripts artifact/
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- cp -r systemd artifact/
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- printf '{"commit":"%s","builtAt":"%s"}' "$CODEBUILD_RESOLVED_SOURCE_VERSION" "$(date -u +%FT%TZ)" > artifact/app/public/build.json
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- echo "==== artifact tree ====" && find artifact -maxdepth 3 -type f -print
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- echo "==== appspec.yml =======" && sed -n '1,200p' artifact/appspec.yml
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artifacts:
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base-directory: artifact
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files:
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- appspec.yml
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- scripts/**/*
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- systemd/**/*
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- app/app.jar
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- app/public/build.json

‎scripts/before_install.sh‎

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#!/bin/bash
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set -euxo pipefail
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echo "[before_install] PWD=$(pwd)"
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ls -la || true
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sudo mkdir -p /home/ec2-user/app
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sudo chown ec2-user:ec2-user /home/ec2-user/app
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if ! command -v java >/dev/null 2>&1; then
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sudo yum -y install java-17-amazon-corretto-headless || sudo dnf -y install java-17-amazon-corretto-headless || true
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fi
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# systemd 관련 로직 제거 (ApplicationStart에서 처리)

‎scripts/health-check.sh‎

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#!/bin/bash
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# Health Check
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for i in {1..10}; do
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HTTP_CODE=$(curl -s -o /dev/null -w "%{http_code}" http://localhost/health)
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if [ "$HTTP_CODE" == "200" ]; then
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echo "Health check passed"
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exit 0
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fi
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echo "Attempt $i: HTTP $HTTP_CODE"
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sleep 5
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done
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echo "Health check failed"
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exit 1

‎scripts/start_app.sh‎

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#!/bin/bash
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set -euxo pipefail
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echo "[start_app] Starting application setup"
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# systemd 서비스 파일 복사 (파일이 이미 배포된 후)
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if [ -f /home/ec2-user/systemd/demo.service ]; then
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echo "[start_app] Copying systemd service file"
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sudo cp /home/ec2-user/systemd/demo.service /etc/systemd/system/demo.service
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sudo systemctl daemon-reload
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echo "[start_app] systemd service file copied and daemon reloaded"
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else
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echo "[start_app] ERROR: /home/ec2-user/systemd/demo.service not found"
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echo "[start_app] Listing /home/ec2-user/ contents:"
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ls -la /home/ec2-user/ || true
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echo "[start_app] Listing /home/ec2-user/systemd/ contents:"
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ls -la /home/ec2-user/systemd/ || true
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exit 1
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fi
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echo "[start_app] Enabling and starting service"
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sudo systemctl enable demo.service
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sudo systemctl restart demo.service
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sleep 2
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sudo systemctl status demo.service --no-pager || true

‎scripts/stop_app.sh‎

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#!/bin/bash
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set -eux # pipefail 제거
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# 서비스가 존재하는지 먼저 확인
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if systemctl list-unit-files | grep -q demo.service; then
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if systemctl is-active --quiet demo.service; then
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echo "[stop_app] Stopping demo.service"
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sudo systemctl stop demo.service
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else
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echo "[stop_app] demo.service exists but not running"
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fi
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else
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echo "[stop_app] demo.service does not exist (first deployment)"
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fi
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exit 0
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#코드가 너무 엄격
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#set -euxo pipefail
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#if systemctl is-active --quiet demo.service; then
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# sudo systemctl stop demo.service
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#fi

‎scripts/validate.sh‎

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#!/bin/bash
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set -euo pipefail
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echo "[validate] Checking service status"
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# 서비스 상태 상세 확인
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sudo systemctl status demo.service --no-pager || true
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# 서비스 로그 확인
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echo "[validate] Service logs:"
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sudo journalctl -u demo.service --no-pager -n 20 || true
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# Java 프로세스 확인
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echo "[validate] Java processes:"
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pgrep -f java || echo "No Java process found"
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# 서비스가 실행 중인지 확인
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if sudo systemctl is-active --quiet demo.service; then
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echo "[validate] demo.service is active"
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exit 0
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else
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echo "[validate] demo.service is not active, but continuing deployment"
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exit 0 # 일단 통과시키고 로그로 문제 파악
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fi

‎src/main/java/com/skyauto/java_project_autopublish/BuildController.java‎

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package com.skyauto.java_project_autopublish;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import org.springframework.http.MediaType;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RestController;
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import java.io.File;
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import java.io.IOException;
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import java.util.HashMap;
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import java.util.Map;
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@RestController
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public class BuildController {
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private final ObjectMapper mapper = new ObjectMapper();
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@GetMapping(value = "/api/build", produces = MediaType.APPLICATION_JSON_VALUE)
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public Map<String, Object> buildInfo() throws IOException {
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File f = new File("/opt/demo/build.json");
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Map<String, Object> info = new HashMap<>();
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if (f.exists()) {
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return mapper.readValue(f, Map.class);
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}
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info.put("commit", "unknown");
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info.put("builtAt", java.time.Instant.now().toString());
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return info;
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}
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}

‎systemd/demo.service‎

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[Unit]
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Description=Demo Spring Boot app
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After=network.target
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[Service]
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User=ec2-user
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WorkingDirectory=/home/ec2-user/app
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ExecStart=/usr/bin/java -jar /home/ec2-user/app/app.jar demo.SpringbootEc2CicdDemoApplication
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Restart=always
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RestartSec=5
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[Install]
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WantedBy=multi-user.target

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