Add container names to docker-compose.yml

docker-compose.yml

@@ -2,6 +2,7 @@ version: '3.8'
 
 services:
   app:
+    container_name: rsvp_manager
     build:
       context: .
       dockerfile: Dockerfile
@@ -20,6 +21,7 @@ services:
       - mysql
 
   mysql:
+    container_name: rsvp_manager_db
     image: mysql:8.0
     ports:
       - "3306:3306"