chore: update MongoDB version to 4.4.18 for ARMv8 compatibility and adjust healthcheck command

- Changed MongoDB image from 7.0 to 4.4.18 to ensure compatibility with ARMv8.0.
- Updated healthcheck command to use 'mongo' instead of 'mongosh' as per version requirements.

docker-compose.yml

@@ -1,7 +1,8 @@
 services:
   # MongoDB para almacenar datos
+  # Usando versión 4.4.18 para compatibilidad con ARMv8.0 (ARMv8.2-A requerido desde 4.4.19+)
   mongodb:
-    image: mongo:7.0
+    image: mongo:4.4.18
     container_name: wallabicher-mongodb
     ports:
       - "27018:27017"
@@ -12,7 +13,8 @@ services:
       - MONGO_INITDB_ROOT_PASSWORD=adminpassword
       - MONGO_INITDB_DATABASE=wallabicher
     healthcheck:
-      test: ["CMD", "mongosh", "--eval", "db.adminCommand('ping')"]
+      # MongoDB 4.4.18 usa 'mongo' en lugar de 'mongosh' (mongosh se introdujo en 5.0+)
+      test: ["CMD", "mongo", "--eval", "db.adminCommand('ping')"]
       interval: 10s
       timeout: 5s
       retries: 5