[Unit]
Description=Prometheus
StartLimitBurst=5
StartLimitIntervalSec=300

[Service]
Type=exec
ExecStart=bash -c 'EC2_INSTANCE_ID="$(curl -fsSL http://169.254.169.254/latest/meta-data/instance-id)" prometheus --config.file /etc/prometheus/config.yaml --enable-feature=expand-external-labels'
Restart=always
RestartSec=5

[Install]
WantedBy=multi-user.target