docker/swarm/service/monitoring/prometheus_alertmanager.yml

include:
- service.prometheus.alertmanager.container
parameters:
  docker:
    client:
      service:
        prometheus_alertmanager:
          network: monitoring
          replicas: 2
          environment:
            config_dir: /opt/alertmanager/config
            bind_port: ${prometheus:alertmanager:bind:port}
            bind_address: ${prometheus:alertmanager:bind:address}
            discovery_domain: 'prometheus_alertmanager'
          restart:
            condition: any
          image: ${_param:docker_image_alertmanager}
          ports:
            - 15011:${prometheus:alertmanager:bind:port}
          volume:
            site:
              type: bind
              source: /srv/volumes/prometheus
              destination: /opt/alertmanager/config