feat(monitoring): integrate prometheus and promtail log aggregation with sms alerts

docker/promtail-config.staging.template.yaml

@@ -0,0 +1,33 @@
+server:
+  http_listen_port: 9080
+  grpc_listen_port: 0
+
+positions:
+  filename: /tmp/positions.yaml
+
+clients:
+  - url: ${LOKI_URL:-http://loki:3100/loki/api/v1/push}
+
+scrape_configs:
+  - job_name: baron-sso-container-logs
+    docker_sd_configs:
+      - host: unix:///var/run/docker.sock
+        refresh_interval: 10s
+    relabel_configs:
+      - source_labels: ['__meta_docker_container_name']
+        regex: '/(.*)'
+        target_label: 'container_name'
+      # Baron SSO 및 핵심 Ory Stack 컨테이너만 필터링하여 로그 수집
+      - source_labels: ['container_name']
+        regex: '(baron_.*|oathkeeper|kratos|hydra|keto)'
+        action: keep
+      # 컨테이너 명에서 앞의 접두사를 떼어 서비스 및 잡 라벨 부여 (예: baron_backend -> backend)
+      - source_labels: ['container_name']
+        regex: 'baron_(.*)'
+        target_label: 'service'
+      - source_labels: ['container_name']
+        regex: 'baron_(.*)'
+        target_label: 'job'
+      # 정적 라벨 추가
+      - target_label: 'app_env'
+        replacement: 'stage'