Default port 9841

To match the allocation https://github.com/prometheus/prometheus/wiki/Default-port-allocations

Author: armsnyder

README.md

@@ -17,7 +17,7 @@ Supports all Steam game servers which speak the UDP-based A2S query protocol, fo
 The image is hosted on Docker Hub. ([Link](https://hub.docker.com/r/armsnyder/a2s-exporter))
 
 ```
-docker run --rm -p 9856:9856 armsnyder/a2s-exporter --address myserver.example.com:12345
+docker run --rm -p 9841:9841 armsnyder/a2s-exporter --address myserver.example.com:12345
 ```
 
 ### Arguments
@@ -34,7 +34,7 @@ Flag | Variable | Help
 
 Flag | Variable | Default | Help
 --- | --- | --- | ---
---port | A2S_EXPORTER_PORT | 9856 | Port for the metrics exporter.
+--port | A2S_EXPORTER_PORT | 9841 | Port for the metrics exporter.
 --path | A2S_EXPORTER_PATH | /metrics | Path for the metrics exporter.
 --namespace | A2S_EXPORTER_NAMESPACE | a2s | Namespace prefix for all exported a2s metrics.
 --a2s-only-metrics | A2S_EXPORTER_A2S_ONLY_METRICS | false | If true, excludes Go runtime and promhttp metrics.

main.go

@@ -20,7 +20,7 @@ var buildVersion = "development"
 func main() {
 	// Flags.
 	address := flag.String("address", envOrDefault("A2S_EXPORTER_QUERY_ADDRESS", ""), "Address of the A2S query server as host:port (This is a separate port from the main server port).")
-	port := flag.Int("port", envOrDefaultInt("A2S_EXPORTER_PORT", 9856), "Port for the metrics exporter.")
+	port := flag.Int("port", envOrDefaultInt("A2S_EXPORTER_PORT", 9841), "Port for the metrics exporter.")
 	path := flag.String("path", envOrDefault("A2S_EXPORTER_PATH", "/metrics"), "Path for the metrics exporter.")
 	namespace := flag.String("namespace", envOrDefault("A2S_EXPORTER_NAMESPACE", "a2s"), "Namespace prefix for all exported a2s metrics.")
 	a2sOnlyMetrics := flag.Bool("a2s-only-metrics", envOrDefaultBool("A2S_EXPORTER_A2S_ONLY_METRICS", false), "If true, skips exporting Go runtime metrics.")