chore: #123 unify metrics, logs, variable names and structure

main.go

@@ -1,10 +1,11 @@
 package main
 
 import (
+	"log"
 	"me-fit/utils"
 
 	"database/sql"
-	"log"
+	"log/slog"
 	"net/http"
 
 	"github.com/joho/godotenv"
@@ -13,7 +14,7 @@ import (
 )
 
 func main() {
-	log.Println("Starting server...")
+	slog.Info("Starting server...")
 
 	err := godotenv.Load()
 	if err != nil {
@@ -33,7 +34,7 @@ func main() {
 		Handler: promhttp.Handler(),
 	}
 	go func() {
-		log.Println("Starting prometheus server at", prometheusServer.Addr)
+		slog.Info("Starting prometheus server on " + prometheusServer.Addr)
 		err := prometheusServer.ListenAndServe()
 		if err != nil {
 			panic(err)
@@ -44,7 +45,7 @@ func main() {
 		Addr:    ":8080",
 		Handler: getHandler(db),
 	}
-	log.Println("Starting server at", server.Addr)
+	slog.Info("Starting server on " + server.Addr)
 
 	err = server.ListenAndServe()
 	if err != nil {