--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/config.go	Tue Dec 01 20:30:06 2020 +0900
@@ -0,0 +1,51 @@
+package growsync
+
+import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+
+	"github.com/goccy/go-yaml"
+)
+
+type growiConfig struct {
+	url       string `yaml:"growi_url"`
+	userName  string `yaml:"user_name"`
+	token     string `yaml:"token"`
+	localRoot string `yaml:"local_root"`
+}
+
+func parseConfig() (*growiConfig, error) {
+	configFilePATH, _ := getConfingPATH()
+	configBytes, err := ioutil.ReadFile(configFilePATH)
+	if err != nil {
+		return nil, err
+	}
+	config := growiConfig{}
+
+	if err := yaml.Unmarshal(configBytes, &config); err != nil {
+		return nil, err
+	}
+	return &config, nil
+}
+
+func getConfingPATH() (string, error) {
+	home, err := os.UserHomeDir()
+	if err != nil {
+		return "", err
+	}
+	configFilePATH := filepath.Join(home, ".config", "growsync", "config.yaml")
+	if !fileCheck(configFilePATH) {
+		return "", fmt.Errorf("[ERROR] conf file not found")
+	}
+	return configFilePATH, nil
+}
+
+func fileCheck(conf string) bool {
+	info, err := os.Stat(conf)
+	if os.IsNotExist(err) {
+		return false
+	}
+	return !info.IsDir()
+}