Backend totalmente hecho con mongodb, añadida la funcionalidad de usuarios con historial

docker-compose.yaml

@@ -11,12 +11,6 @@ services:
       - ./backend:/app
     depends_on:
       - db
-    environment:
-      DB_HOST: db
-      DB_PORT: 3306
-      DB_USER: root
-      DB_PASSWORD: root
-      DB_NAME: deckofcards
 
   frontend:
     build:
@@ -29,16 +23,13 @@ services:
       - /app/node_modules
 
   db:
-    image: mysql:8.0
-    container_name: mysql_db
+    image: mongo:6
+    container_name: mongo
     restart: always
-    environment:
-      MYSQL_ROOT_PASSWORD: root
-      MYSQL_DATABASE: deckofcards
     ports:
-      - "3306:3306"
+      - "27018:27017"
     volumes:
-      - mysql_data:/var/lib/mysql
+      - mongo_data:/data/db
 
 volumes:
-  mysql_data:
+  mongo_data: