config.j2

{
    "debug-dest": "{{ eth_log_alerting_debug_dest }}",
    "debug": {{ eth_log_alerting_debug|lower }},
    "logs": [
        {% for item in eth_log_alerting_logs %}{% if 0 != loop.index0 %},{% endif %}

        {
            "log_path": "{{ item.log_path }}",
            "webhook_url": "{{ item.webhook_url }}",
            "username": "{{ item.username }}",
            "channel": "{{ item.channel }}",
            "color": "{{ item.color }}",
            "icon_url": "{{ item.icon_url }}",
            "search": "{{ item.search }}"
        }
        {% endfor %}
    ]
}