alertmanager.yml

global:
  # Global configurations...

route:
  receiver: 'default-receiver'
  group_by: ['alertname', 'severity']
  group_wait: 30s
  group_interval: 1m
  repeat_interval: 10m

  routes:
    - match:
        alertname: 'Watchdog'
      receiver: 'watchdog'
      group_wait: 15s
      group_interval: 30s
      repeat_interval: 1m

    - match:
        severity: 'none'
      receiver: 'watchdog'
      repeat_interval: 1m

    - match:
        severity: 'critical'
      receiver: 'pushover'

    - match:
        severity: 'warning'
      receiver: 'pushover'

receivers:
  - name: 'default-receiver'

  - name: 'pushover'
    pushover_configs:
      - token: 'app_token_here'
        user_key: 'user_key_here'

  - name: 'watchdog'
    webhook_configs:
      - url: 'https://rpc.rotko.net/watchdog'
        send_resolved: true
        http_config:
          authorization:
            type: Bearer
            credentials: '4ad3ef73-2f55-4817-9fbe-056f95a54f7a'