docs: project docs, scripts, deployment configs, and evidence

deployment/alertmanager/alerts.yml

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+groups:
+  - name: user-ms-alerts
+    interval: 30s
+    rules:
+      # 高错误率告警
+      - alert: HighErrorRate
+        expr: |
+          (
+            sum(rate(http_requests_total{status=~"5.."}[5m])) 
+            / 
+            sum(rate(http_requests_total[5m]))
+          ) > 0.05
+        for: 5m
+        labels:
+          severity: critical
+          service: user-management
+        annotations:
+          summary: "高错误率告警"
+          description: "过去5分钟错误率超过5%，当前值: {{ $value | humanizePercentage }}"
+
+      # 高响应时间告警
+      - alert: HighResponseTime
+        expr: |
+          histogram_quantile(0.95, 
+            sum(rate(http_request_duration_seconds_bucket[5m])) by (le, path)
+          ) > 1
+        for: 5m
+        labels:
+          severity: warning
+          service: user-management
+        annotations:
+          summary: "高响应时间告警"
+          description: "API P95响应时间超过1秒，路径: {{ $labels.path }}，当前值: {{ $value }}s"
+
+      # 低缓存命中率告警
+      - alert: LowCacheHitRate
+        expr: |
+          (
+            sum(rate(cache_hits_total[5m])) 
+            / 
+            sum(rate(cache_operations_total[5m]))
+          ) < 0.7
+        for: 10m
+        labels:
+          severity: warning
+          service: user-management
+        annotations:
+          summary: "低缓存命中率告警"
+          description: "缓存命中率低于70%，当前值: {{ $value | humanizePercentage }}"
+
+      # CPU 使用率告警
+      - alert: HighCPUUsage
+        expr: rate(process_cpu_seconds_total[5m]) > 0.8
+        for: 5m
+        labels:
+          severity: warning
+          service: user-management
+        annotations:
+          summary: "高CPU使用率告警"
+          description: "CPU使用率超过80%，当前值: {{ $value | humanizePercentage }}"
+
+      # 内存使用率告警
+      - alert: HighMemoryUsage
+        expr: |
+          (
+            system_memory_usage_bytes / 
+            (node_memory_MemTotal_bytes)
+          ) > 0.85
+        for: 5m
+        labels:
+          severity: critical
+          service: user-management
+        annotations:
+          summary: "高内存使用率告警"
+          description: "内存使用率超过85%，当前值: {{ $value | humanizePercentage }}"
+
+      # 数据库连接告警
+      - alert: DatabaseConnectionPoolExhausted
+        expr: |
+          (
+            db_connections_active / 
+            db_connections_max
+          ) > 0.9
+        for: 3m
+        labels:
+          severity: critical
+          service: user-management
+        annotations:
+          summary: "数据库连接池耗尽告警"
+          description: "数据库连接池使用率超过90%，当前值: {{ $value | humanizePercentage }}"
+
+      # 在线用户数告警
+      - alert: LowOnlineUsers
+        expr: active_users{period="5m"} < 10
+        for: 30m
+        labels:
+          severity: info
+          service: user-management
+        annotations:
+          summary: "在线用户数告警"
+          description: "过去5分钟活跃用户数低于10，当前值: {{ $value }}"
+
+      # 登录失败率告警
+      - alert: HighLoginFailureRate
+        expr: |
+          (
+            sum(rate(user_logins_total{status="failed"}[5m])) 
+            / 
+            sum(rate(user_logins_total[5m]))
+          ) > 0.3
+        for: 5m
+        labels:
+          severity: warning
+          service: user-management
+        annotations:
+          summary: "高登录失败率告警"
+          description: "登录失败率超过30%，可能存在暴力破解，当前值: {{ $value | humanizePercentage }}"
+
+      # API QPS 异常告警
+      - alert: UnusualAPIRequestRate
+        expr: |
+          abs(
+            sum(rate(http_requests_total[5m])) 
+            - 
+            avg(sum(rate(http_requests_total[5m])) over 1h)
+          ) / avg(sum(rate(http_requests_total[5m])) over 1h) > 0.5
+        for: 5m
+        labels:
+          severity: info
+          service: user-management
+        annotations:
+          summary: "API请求量异常告警"
+          description: "API请求量与1小时平均值偏差超过50%，当前值: {{ $value | humanizePercentage }}"