resolv.conf solved!

files/prometheus/prometheus.service

@@ -0,0 +1,30 @@
+[Unit]
+Description=Prometheus
+Wants=network-online.target
+After=network-online.target
+
+[Service]
+User=prometheus
+Group=prometheus
+Type=simple
+Restart=always
+OOMScoreAdjust=-1000
+LimitNOFILE=16384
+ExecStart=/usr/sbin/prometheus \
+    --config.file /etc/prometheus/prometheus.yaml \
+    --web.config.file=/etc/prometheus/web-config.yaml \
+    --storage.tsdb.path /prometheus-data/ \
+    --storage.tsdb.retention.time 180d \
+    --storage.tsdb.max-block-duration=2h \
+    --storage.tsdb.min-block-duration=2h \
+    --web.enable-remote-write-receiver \
+    --web.console.templates=/etc/prometheus/consoles \
+    --web.console.libraries=/etc/prometheus/console_libraries \
+    --web.enable-admin-api \
+    --query.max-samples=50000000
+
+ExecReload=/usr/bin/kill -s HUP $MAINPID
+ExecStop=/usr/bin/kill -s QUIT $MAINPID
+
+[Install]
+WantedBy=multi-user.target