config.yaml

    # The root route on which each incoming alert enters.
    route:
      # The labels by which incoming alerts are grouped together. For example,
      # multiple alerts coming in for cluster=A and alertname=LatencyHigh would
      # be batched into a single group.
      # group_by: ['alertname', 'cluster', 'service']
      group_by: ['alertname']

      # When a new group of alerts is created by an incoming alert, wait at
      # least 'group_wait' to send the initial notification.
      # This way ensures that you get multiple alerts for the same group that start
      # firing shortly after another are batched together on the first
      # notification.
      group_wait: 10s

      # When the first notification was sent, wait 'group_interval' to send a batch
      # of new alerts that started firing for that group.
      group_interval: 10s

      # If an alert has successfully been sent, wait 'repeat_interval' to
      # resend them.
      repeat_interval: 5m

      # A default receiver
      receiver: Pagerduty

    receivers:
    - name: 'Pagerduty'
      pagerduty_configs:
      - service_key: xxxxxxxxxxxxxxxxxxxx


    # The directory from which notification templates are read.
    templates:
    - '/etc/alertmanager-templates/*.tmpl'