fix pr comments and add doc

README.md

@@ -25,7 +25,7 @@ You should expect a 200 HTTP answer:
 < Connection: keep-alive
 ```
 
-If you have an Arduino board, you can flash [this program]() on your card using this command. Adjust the target to your model.
+If you have an Arduino board, you can flash [this program](https://github.com/doniacld/tinygo-discovery/blob/main/tiny-hen/main.go) on your card using this command. Adjust the target to your model.
 
 ```bash
 tinygo flash -target=arduino-nano33 wifinina/httppost/main.go

cmd/main.go

@@ -10,11 +10,13 @@ import (
 	"github.com/doniacld/tiny-hen/cmd/prommetric"
 )
 
+const serverPort = ":10010"
+
 func main() {
 	// register the prometheus metrics
 	prommetric.RegisterGauges()
 
-	fmt.Println("Listening on port 10010")
+	fmt.Printf("Listening on port%s\n", serverPort)
 	mux := http.NewServeMux()
 
 	// GET /hi
@@ -26,7 +28,7 @@ func main() {
 	// GET /metrics
 	mux.Handle("/metrics", promhttp.Handler())
 
-	err := http.ListenAndServe(":10010", mux)
+	err := http.ListenAndServe(serverPort, mux)
 	if err != nil {
 		panic(err)
 	}

cmd/prommetric/metric.go

@@ -33,6 +33,6 @@ func (m PromMeasure) SetTempAndHum() {
 	TempGauge.Set(m.Temperature)
 	HumGauge.Set(m.Humidity)
 
-	fmt.Printf("%s: SetTempAndHum set values: Temperature: %d °C, Humidity: %d %%\n",
+	fmt.Printf("%s: SetTempAndHum set values: Temperature: %f °C, Humidity: %f %%\n",
 		time.Now(), m.Temperature, m.Humidity)
 }

deploy/deploy.sh

@@ -3,7 +3,7 @@ echo "
        ___  _              _ _
       |_ _|<_>._ _  _ _   | | | ___ ._ _
        | | | || ' || | |  | - |/ ._>| ' |
-       |_| |_||_|_|\_. |  |_|_|\___.|_|_|
+🐓     |_| |_||_|_|\_. |  |_|_|\___.|_|_|v     🐓
                    <___|                "
 
 echo "---------------- 🏠 Create cluster tinyhen ----------------"
@@ -17,6 +17,8 @@ kubectl apply -k deploy/monitoring
 
 # Install prometheus stack (Grafana, Prometheus operator, etc)
 echo "---------------- 🔎 Deploying kube prometheus stack with dashboard provider ----------------"
+helm repo add prometheus-community https://prometheus-community.github.io/helm-charts
+helm repo update
 helm install kube-prometheus-stack prometheus-community/kube-prometheus-stack --values deploy/monitoring/values.yaml --namespace monitoring
 
 # Deploy the prometheus service monitoring for the app