infra-role-alertmanager/templates/docker-compose.yml.j2

---
version: '3.7'
services:
  '{{ alertmanager_service_name }}':
    container_name: '{{ alertmanager_cont_name }}'
    image: '{{ alertmanager_cont_image }}'
    user: 'root'
    restart: 'always'
    ports:
      - '0.0.0.0:{{ alertmanager_webui_port }}:{{ alertmanager_webui_port }}' # Web UI
      - '0.0.0.0:{{ alertmanager_cluster_port }}:{{ alertmanager_cluster_port }}/tcp' # Cluster
      - '0.0.0.0:{{ alertmanager_cluster_port }}:{{ alertmanager_cluster_port }}/udp' # Cluster
    volumes:
      - '{{ alertmanager_service_path }}/conf/alertmanager.yml:/etc/alertmanager.yml:ro'
      - '{{ alertmanager_service_path }}/conf/amtool.yml:/etc/amtool/config.yml:ro'
      - '{{ alertmanager_service_path }}/conf/templates:/etc/alertmanager/templates:ro'
      - '{{ alertmanager_service_path }}/data:/data'
      - '/certs:/certs'
{% if alertmanager_cont_networks %}
    networks: {{ alertmanager_cont_networks | to_json }}
{% endif %}
    command:
      - '--storage.path=/data'
      - '--config.file=/etc/alertmanager.yml'
      - '--log.format={{ alertmanager_cont_log_fmt }}'
      - '--log.level={{ alertmanager_cont_log_lvl }}'
      - '--web.external-url={{ alertmanager_url }}'
      - '--cluster.advertise-address={{ ansible_local.wireguard.vpn_ip }}:{{ alertmanager_cluster_port }}'
      - '--cluster.listen-address=0.0.0.0:{{ alertmanager_cluster_port }}'
      - '--cluster.probe-timeout={{ alertmanager_probe_timeout }}'
      - '--cluster.probe-interval={{ alertmanager_probe_interval }}'
{% for peer in alertmanager_cluster_peers %}
{% if peer.Node != inventory_hostname %}
      - '--cluster.peer={{ peer.ServiceAddress }}:{{ alertmanager_cluster_port }}' # {{ peer.Node }}
{% endif %}
{% endfor %}
{% if alertmanager_cont_networks %}

networks:
{% for network in alertmanager_cont_networks %}
  {{network}}:
    external: true
{% endfor %}
{% endif %}