update README and add docker compose

README.md

@@ -2,16 +2,13 @@
 
 This exporter is @adoralaura s try to display server scores from servers in [ntppool.org](https://www.ntppool.org) in a format which [Prometheus](https://prometheus.io/) can ingest.
 
-
-
-
-
 # Usage
 
 ## Installation
 
-Binaries can be downloaded soon from the [GitLab releases page](https://gitlab.com/adoralaura/ntppool-exporter/-/releases) and need no
-special installation
+Pre-built docker images can be found at [Docker Hub](https://hub.docker.com/r/lauralani/ntppool-exporter). A sample `docker-compose.yml` can be [found here](docker-compose.yml).
+
+Binaries can be built by cloning this repository and run `go build main.go` with [Golang](https://go.dev/) installed.
 
 ## Running
 

docker-compose.yml

@@ -0,0 +1,8 @@
+services:
+  ntppool_exporter:
+    image: lauralani/ntppool-exporter:latest
+    restart: always
+    ports:
+      - '127.0.0.1:43609:43609'
+    # Add this to enable debug logging:
+    # command: --log.level=debug