fix(metrics): run metrics on 0.0.0.0 ip address

Running metrics on 0.0.0.0 allows us to run the metrics server on the same port as the application server. This is useful for running the application in a container where the port is fixed, and we need to bind metrics server to all ip interfaces.

Signed-off-by: Dusan Malusev <[email protected]>

cmd/gemini/root.go

@@ -476,7 +476,7 @@ func init() {
 	rootCmd.Flags().BoolVarP(&nonInteractive, "non-interactive", "", false, "Run in non-interactive mode (disable progress indicator)")
 	rootCmd.Flags().DurationVarP(&duration, "duration", "", 30*time.Second, "")
 	rootCmd.Flags().StringVarP(&outFileArg, "outfile", "", "", "Specify the name of the file where the results should go")
-	rootCmd.Flags().StringVarP(&bind, "bind", "b", ":2112", "Specify the interface and port which to bind prometheus metrics on. Default is ':2112'")
+	rootCmd.Flags().StringVarP(&bind, "bind", "b", "0.0.0.0:2112", "Specify the interface and port which to bind prometheus metrics on. Default is ':2112'")
 	rootCmd.Flags().DurationVarP(&warmup, "warmup", "", 30*time.Second, "Specify the warmup perid as a duration for example 30s or 10h")
 	rootCmd.Flags().StringVarP(
 		&replicationStrategy, "replication-strategy", "", "simple",