Refactor

app/logger.go

@@ -0,0 +1,22 @@
+package app
+
+import (
+	"fmt"
+	"os"
+)
+
+func LogString(str string) {
+	if len(os.Getenv("LOG_FILE")) == 0 {
+		return
+	}
+
+	f, err := os.OpenFile(os.Getenv("LOG_FILE"), os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
+	if err != nil {
+		fmt.Println(err)
+	}
+	defer f.Close()
+
+	if _, err := f.WriteString(str + "\n"); err != nil {
+		fmt.Println(err)
+	}
+}