fix(pkg/server): logging and save values into postgres

cmd/internal/internal.go

@@ -0,0 +1,20 @@
+package internal
+
+import "github.com/volker-raschek/go-logger/pkg/logger"
+
+func InitializeLogger(logLevel string) logger.Logger {
+	switch logLevel {
+	case "debug", "DEBUG":
+		return logger.NewDefaultLogger(logger.LogLevelDebug)
+	case "info", "INFO":
+		return logger.NewDefaultLogger(logger.LogLevelInfo)
+	case "warn", "WARN":
+		return logger.NewDefaultLogger(logger.LogLevelWarn)
+	case "error", "ERROR":
+		return logger.NewDefaultLogger(logger.LogLevelError)
+	case "fatal", "FATAL":
+		return logger.NewDefaultLogger(logger.LogLevelFatal)
+	default:
+		return nil
+	}
+}