feat: init util classes

src/main/java/com/soap/util/DbUtils.java

+package com.soap.util;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+
+import io.github.cdimascio.dotenv.Dotenv;
+
+
+public class DbUtils {
+    private static Connection conn = createConnection();
+
+    public static Connection getConnection() {
+        if (conn == null) {
+            conn = createConnection();
+        }
+
+        return conn;
+    }
+
+    private static Connection createConnection() {
+        Dotenv dotenv = Dotenv.load();
+        String url = dotenv.get("DATABASE_URL");
+        String user = dotenv.get("MYSQL_USER");
+        String password = dotenv.get("MYSQL_PASSWORD");
+        
+        try {
+            return DriverManager.getConnection(url, user, password);
+        } catch (SQLException e) {
+            System.out.println("Error creating connection");
+            throw new RuntimeException(e);
+        }
+    }
+
+    public static void closeConnection() {
+        try {
+            if (conn != null && !conn.isClosed()) {
+                conn.close();
+            }
+        } catch (SQLException e) {
+            System.out.println("Error closing connection");
+            throw new RuntimeException(e);
+        }
+    }   
+}

src/main/java/com/soap/util/EmailUtils.java

+package com.soap.util;
+
+public class EmailUtils {
+    
+}

src/main/java/com/soap/util/LoggingUtils.java

+package com.soap.util;
+
+public class LoggingUtils {
+    
+}