chore: #123 unify metrics, logs, variable names and structure

utils/db.go

@@ -16,7 +16,7 @@ func RunMigrations(db *sql.DB) {
 	}
 
 	m, err := migrate.NewWithDatabaseInstance(
-		"file://./migrations/",
+		"file://./migration/",
 		"",
 		driver)
 	if err != nil {

utils/http-utils.go

@@ -1,11 +0,0 @@
-package utils
-
-import (
-	"encoding/json"
-	"net/http"
-)
-
-func WriteJSON(w http.ResponseWriter, data interface{}) error {
-	w.Header().Set("Content-Type", "application/json")
-	return json.NewEncoder(w).Encode(data)
-}