Enhance .gitlab-ci.yml by adding registry credentials for backend and frontend…

Enhance .gitlab-ci.yml by adding registry credentials for backend and frontend staging deployments to improve security and streamline access to the container registry.

.gitlab-ci.yml

@@ -66,12 +66,15 @@ deploy_backend_staging:
     app_env: staging
     app_url: https://spin-wheel-backend-staging.dev.kacdn.net
     app_image_tag: $CI_REGISTRY_IMAGE/backend:staging
-    database_url: ${DATABASE_URL}
+    database_url: $DATABASE_URL
     allowed_origins: ${ALLOWED_ORIGINS:-https://spin-wheel-frontend-staging.dev.kacdn.net}
     ecs_task_definition: ${ecs_task_definition_backend}
     ecs_definition: ${ecs_task_definition_backend}
     ecs_entrypoint: app:5000
     service_name: spin-the-wheel-backend-staging
+    registry_user: gitlab-ci-token
+    registry_pass: $CI_BUILD_TOKEN
+    registry: $CI_REGISTRY
   script:
     - deploy-ecs sg-dev
   only:
@@ -95,6 +98,9 @@ deploy_frontend_staging:
     ecs_definition: ${ecs_task_definition_frontend}
     ecs_entrypoint: app:80
     service_name: spin-the-wheel-frontend-staging
+    registry_user: gitlab-ci-token
+    registry_pass: $CI_BUILD_TOKEN
+    registry: $CI_REGISTRY
   script:
     - deploy-ecs sg-dev
   only: