readme

README.md

@@ -1 +1,44 @@
 # prometheus_upsc_exporter
+
+lightweight docker build for exporting nut's `upsc` into prometheus.
+
+container listens on `:9614`
+
+# Examples
+
+## simplest docker run example
+
+`docker run -p9614:9614 -d jzck/upsc-exporter -e UPS_TARGET=ups@localhost --network=host`
+
+Make sure an `upsd` server is running on the host so that `upsc` can contact it.
+
+## docker-compose with nut-upsd server
+
+basic compose setup with `upshift/nut-upsd`
+
+```
+services:
+  nut-upsd:
+    image: upshift/nut-upsd
+    user: root
+    restart: unless-stopped
+    privileged: true
+    expose:
+      - 3493
+    environment:
+      - "SHUTDOWN_CMD=shutdown -h now"
+      - "API_USER=upsmon"
+      - "API_PASSWORD=secret"
+
+  prom-upsc:
+    image: jzck/upsc_exporter
+    restart: unless-stopped
+    depends_on:
+      - nut-upsd
+    environment:
+      - "UPS_TARGET=ups@nut-upsd:3493"
+    expose:
+      - 9614
+```
+
+Can also be used with another `upsd`, just make sure the container can see the