apiVersion: v1
kind: ConfigMap
metadata:
  name: alertmanager-config
  namespace: monitoring
data:
  alertmanager.yml: |
    global:
      resolve_timeout: 5m

    route:
      receiver: 'default'
      group_by: ['alertname', 'instance']
      group_wait: 30s
      group_interval: 2m
      repeat_interval: 4h

      routes:
        - receiver: 'n8n-webhook'
          matchers:
            - 'severity="critical"'
          group_wait: 10s
          group_interval: 1m
          repeat_interval: 2h

    receivers:
      - name: 'default'

      - name: 'n8n-webhook'
        webhook_configs:
          - url: 'http://<IP>/n8n/webhook/alert'
            send_resolved: true