53 это Санкт Петербург

cmd/main.go

@@ -25,6 +25,20 @@ var (
 	date    string
 )
 
+func init() {
+	if version = os.Getenv("APP_VERSION"); version == "" {
+		version = "undefined"
+	}
+
+	if commit = os.Getenv("APP_COMMIT"); commit == "" {
+		commit = "undefined"
+	}
+
+	if date = os.Getenv("APP_BUILD_DATE"); date == "" {
+		date = "undefined"
+	}
+}
+
 func main() {
 	cfg := config.MustLoad(version, commit, date)