mint/deploy/roles/open-search/templates/server.service.j2

[Unit]
Description=OpenSearch is an open-source, enterprise-grade search and observability suite that brings order to unstructured data at scale
After=network.target

[Service]
Type=notify
WorkingDirectory=/opt/opensearch-{{ open_search_version }}
ExecStart=/opt/opensearch-{{ open_search_version }}/bin/opensearch
TimeoutStartSec=180
TimeoutStopSec=120
Restart=always
User=www-data
Group=www-data
Environment="OPENSEARCH_JAVA_HOME=/opt/opensearch-{{ open_search_version }}"

[Install]
WantedBy=multi-user.target