UPDATE: Outh2 google

pkg/oauth/google.go

@@ -0,0 +1,38 @@
+package oauth
+
+import (
+	"fmt"
+	"history-api/pkg/config"
+
+	"golang.org/x/oauth2"
+	"golang.org/x/oauth2/google"
+)
+
+func NewGoogleProvider() (*oauth2.Config, error) {
+	userGoogle, err := config.GetConfig("GOOGLE_CLIENT_ID")
+	if err != nil {
+		return nil, err
+	}
+
+	passGoogle, err := config.GetConfig("GOOGLE_CLIENT_SECRET")
+	if err != nil {
+		return nil, err
+	}
+
+	redirectURL, err := config.GetConfig("GOOGLE_REDIRECT_URL")
+	if err != nil {
+		return nil, err
+	}
+
+	return &oauth2.Config{
+		RedirectURL:  redirectURL,
+		ClientID:     fmt.Sprintf("%s.apps.googleusercontent.com", userGoogle),
+		ClientSecret: passGoogle,
+		Scopes: []string{
+			"openid",
+			"email",
+			"profile",
+		},
+		Endpoint: google.Endpoint,
+	}, nil
+}