global:
  resolve_timeout: 5m
  smtp_from: 'alerts@v2-docker.com'
  smtp_smarthost: 'smtp.gmail.com:587'
  smtp_auth_username: '${SMTP_USERNAME}'
  smtp_auth_password: '${SMTP_PASSWORD}'
  smtp_require_tls: true

# Templates for notifications
templates:
  - '/etc/alertmanager/templates/*.tmpl'

# Route tree
route:
  group_by: ['alertname', 'cluster', 'service']
  group_wait: 10s
  group_interval: 10s
  repeat_interval: 12h
  receiver: 'default'
  
  routes:
    # Critical alerts
    - match:
        severity: critical
      receiver: 'critical'
      continue: true
      
    # License abuse alerts
    - match:
        alertname: PossibleLicenseAbuse
      receiver: 'security'
      repeat_interval: 1h
      
    # Database alerts
    - match:
        service: postgres
      receiver: 'database'
      
    # Infrastructure alerts
    - match_re:
        alertname: ^(HighCPUUsage|HighMemoryUsage|LowDiskSpace)$
      receiver: 'infrastructure'

# Receivers
receivers:
  - name: 'default'
    email_configs:
      - to: 'admin@v2-docker.com'
        headers:
          Subject: '[{{ .Status | toUpper }}] {{ .GroupLabels.alertname }}'
        html: |
          <h2>Alert: {{ .GroupLabels.alertname }}</h2>
          <p><b>Status:</b> {{ .Status }}</p>
          {{ range .Alerts }}
          <hr>
          <p><b>Summary:</b> {{ .Annotations.summary }}</p>
          <p><b>Description:</b> {{ .Annotations.description }}</p>
          <p><b>Labels:</b></p>
          <ul>
          {{ range .Labels.SortedPairs }}
            <li><b>{{ .Name }}:</b> {{ .Value }}</li>
          {{ end }}
          </ul>
          {{ end }}

  - name: 'critical'
    email_configs:
      - to: 'critical-alerts@v2-docker.com'
        send_resolved: true
    webhook_configs:
      - url: '${WEBHOOK_CRITICAL}'
        send_resolved: true

  - name: 'security'
    email_configs:
      - to: 'security@v2-docker.com'
    webhook_configs:
      - url: '${WEBHOOK_SECURITY}'

  - name: 'database'
    email_configs:
      - to: 'dba@v2-docker.com'

  - name: 'infrastructure'
    email_configs:
      - to: 'ops@v2-docker.com'

# Inhibition rules
inhibit_rules:
  - source_match:
      severity: 'critical'
    target_match:
      severity: 'warning'
    equal: ['alertname', 'instance']