Use custom config type

main.go

@@ -12,15 +12,26 @@ import (
 	"gitea.libretechconsulting.com/rmcguire/ambient-weather-local-exporter/pkg/ambient"
 )
 
+const defaultMetricPrefix = "weather"
+
 func main() {
 	ctx, cncl := signal.NotifyContext(context.Background(), os.Kill, unix.SIGTERM)
 	defer cncl()
 
+	// Config type for app, which implements go-app/config.AppConfig
+	awConfig := &ambient.AmbientLocalExporterConfig{
+		MetricPrefix:    defaultMetricPrefix,
+		WeatherStations: make([]ambient.WeatherStation, 0),
+	}
+
 	// Read config and environment, set up logging, load up
 	// an appCtx, and prepare ambient weather local exporter
-	ctx = app.MustSetupConfigAndLogging(ctx)
-	aw := ambient.New(ctx).Init()
+	ctx, awConfig = app.MustLoadConfigInto(ctx, awConfig)
 
+	// Prepare the exporter
+	aw := ambient.New(ctx, awConfig).Init()
+
+	// Define and prepare the app
 	awApp := app.App{
 		AppContext: ctx,
 		HTTP: &app.AppHTTP{
@@ -43,7 +54,7 @@ func main() {
 		},
 	}
 
+	// Run and wait
 	awApp.MustRun()
-
 	<-awApp.Done()
 }