make initial changes to fqdn and docker

docker-compose.yaml

@@ -4,29 +4,23 @@ services:
       context: backend
       dockerfile: Dockerfile
     restart: always
-    ports:
-      - "2027:5000"
-    container_name: "${BACKEND_CT_NAME:-nyi-backend}"
+    container_name: "${BACKEND_CT_NAME:-juhannus-invitation-backend}"
     depends_on:
       - db  # Ensure backend waits for db to start
   db:
     image: mysql:9.4.0
-    container_name: nyi-db
-    ports:
-      - "${DB_SERVER}:${DB_PORT}:3306"
+    container_name: juhannus-invitation-db
     environment:
       - MYSQL_ROOT_PASSWORD=${ROOT_PWD}
       - MYSQL_DATABASE=${DB_NAME}
     volumes:
-      - nyi_db_volume:/var/lib/mysql
+      - invitation_db_volume:/var/lib/mysql
   frontend:
     build:
       context: frontend
       dockerfile: Dockerfile
-    ports:
-      - "2028:80"
-    container_name: "${FRONTEND_CT_NAME:-nyi-frontend}"
+    container_name: "${FRONTEND_CT_NAME:-juhannus-invitation-frontend}"
     depends_on:
       - backend  # Ensure fronetnd waits for backend to start
 volumes:
-  nyi_db_volume:
+  invitation_db_volume: