initial commit, adding SQL connection and a simple testing on main

app/main.go

@@ -0,0 +1,34 @@
+package main
+
+import (
+	"fmt"
+
+	database "cloud.etaviaporte.com/api/libs/database"
+	rbac "cloud.etaviaporte.com/api/libs/database/schemas/rbac"
+)
+
+func main() {
+	var connection = database.Init()
+
+	// Prepare a variable to hold the fetched user record.
+	// Replace rbac.User with the actual struct name if different.
+	var user rbac.User
+
+	// Fetch the user whose primary key is 1.
+	// GORM's First method, when given a numeric id as the second argument, queries by primary key.
+	result := connection.First(&user, 1)
+
+	// result.Error holds any error from the DB operation (including "record not found").
+	// result.RowsAffected tells how many rows were returned.
+	if result.Error != nil {
+		// Handle the error (could be gorm.ErrRecordNotFound or a DB/connection error).
+		// For learning purposes we print the error and exit main.
+		fmt.Printf("failed to fetch user with id=1: %v\n", result.Error)
+		return
+	}
+
+	// If no error, user now contains the row from the database.
+	// Print the struct with field names and values to inspect the loaded data.
+	fmt.Printf("User fetched: %+v\n", user)
+
+}