EC2 ALB - ECS Service 연결

✅ EC2 ALB Target Group 생성

aws elbv2 create-target-group \
  --name ecs-kbsec-ai-insight-front-tg \
  --protocol HTTP \
  --port 4500 \
  --vpc-id vpc-063ea85b9ec96670d \
  --target-type ip \
  --health-check-protocol HTTP \
  --health-check-port traffic-port \
  --health-check-path / \
  --region ap-northeast-2

---

  {
    "TargetGroups": [
        {
            "TargetGroupArn": "arn:aws:elasticloadbalancing:ap-northeast-2:104871657422:targetgroup/ecs-kbsec-ai-insight-front-tg/cdf21368578706fb",
            "TargetGroupName": "ecs-kbsec-ai-insight-front-tg",
            "Protocol": "HTTP",
            "Port": 4500,
            "VpcId": "vpc-063ea85b9ec96670d",
            "HealthCheckProtocol": "HTTP",
            "HealthCheckPort": "traffic-port",
            "HealthCheckEnabled": true,
            "HealthCheckIntervalSeconds": 30,
            "HealthCheckTimeoutSeconds": 5,
            "HealthyThresholdCount": 5,
            "UnhealthyThresholdCount": 2,
            "HealthCheckPath": "/",
            "Matcher": {
                "HttpCode": "200"
            },
            "TargetType": "ip",
            "ProtocolVersion": "HTTP1",
            "IpAddressType": "ipv4"
        }
    ]
}

🔧 ALB 리스너에 Target Group 연결하기 AWS 콘솔 → EC2 > Load Balancers ks2-kai-dev-kabie-ecs-alb 클릭 Listeners 탭 > 포트 80 > View/edit rules 기존 Rule 수정 또는 새 Rule 추가: IF path is / → THEN forward to insight-agent-front-tg 또는 기본 rule 수정: “default action” → forward to insight-agent-front-tg 설정 후 "Save" 클릭

✅ 기존 ECS에 ALB 설정 (GUI로 지원 안되니, CLI로 강제 업데이트)

aws ecs update-service \
  --cluster kbsec-ai-cluster \
  --service insight-agent-front \
  --load-balancers "targetGroupArn=arn:aws:elasticloadbalancing:ap-northeast-2:104871657422:targetgroup/ecs-kbsec-ai-insight-front-tg/cdf21368578706fb,containerName=insight-agent-front,containerPort=4500" \
  --region ap-northeast-2