cleaning functionalities, adding arguments at start

app/Tools/utils.go

@@ -0,0 +1,26 @@
+package Tools
+
+import (
+	"log"
+	"os"
+
+	"github.com/joho/godotenv"
+)
+
+// ReadDotEnvFile reads environment variables from .env file
+func ReadDotEnvFile(f string) {
+	err := godotenv.Load(f)
+	if err != nil {
+		log.Fatal("Error loading .env file")
+	}
+}
+
+// InitLog ensure log file exists and set appropriate flags (remove timestamp at start of line).
+func InitLog(p string) {
+	logFile, err := os.OpenFile(p, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
+	if err != nil {
+		panic(err)
+	}
+	log.SetOutput(logFile)
+	log.SetFlags(log.Flags() &^ (log.Ldate | log.Ltime))
+}