Merge pull request #1103 from woowacourse-teams/be/dev

[hotfix] prod-app 환경 Blue-Green 모니터링 타겟 추가

Author: theminjunchoi

backend/docker/monitoring/conf/prometheus.yml

@@ -12,7 +12,7 @@ scrape_configs:
 
   - job_name: 'prod-app'
     static_configs:
-      - targets: [ 'prod-app:8080' ]
+      - targets: [ 'prod-app-blue:8080', 'prod-app-green:8080' ]
     metrics_path: '/actuator/prometheus'
     scrape_interval: 10s
     scrape_timeout: 5s