diff --git a/config/config-keys.config.ts b/config/config-keys.config.ts
new file mode 100644
index 0000000..8a0deab
--- /dev/null
+++ b/config/config-keys.config.ts
@@ -0,0 +1,20 @@
+/**
+ * Enum containing keys for configuration values related to paths.
+ */
+export const enum ConfigKeys {
+    /**
+     * Key for the logs path configuration.
+     */
+    LOGS_PATH = 'default.paths.logsPath',
+  }
+  
+  /**
+   * Enum containing keys for configuration values related to messages.
+   */
+  export const enum MessageKeys {
+    /**
+     * Key for the welcome message configuration.
+     */
+    INDEX_WELCOME = 'default.messages.indexWelcome',
+  }
+  
\ No newline at end of file
diff --git a/src/modules/index/index.service.ts b/src/modules/index/index.service.ts
index 1580cfd..4b006a5 100644
--- a/src/modules/index/index.service.ts
+++ b/src/modules/index/index.service.ts
@@ -1,3 +1,4 @@
+import { MessageKeys } from '@config/config-keys.config';
 import { ConfigService } from '@nestjs/config';
 import { Injectable } from '@nestjs/common';
 
@@ -8,7 +9,7 @@ export class IndexService {
   getIndex() {
     return {
       success: true,
-      message: this.configService.get('default.messages.indexWelcome'),
+      message: this.configService.get(MessageKeys.INDEX_WELCOME),
     };
   }
 }