diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 9c1ab65..880f41b 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -72,8 +72,11 @@ release:
     - chmod -R u+w "$CI_PROJECT_DIR"
 
   script:
+    - ls -la "$CI_PROJECT_DIR/config_${ENVIRONMENT}.json"  # <-- Verify host file
+    - file "$CI_PROJECT_DIR/config_${ENVIRONMENT}.json"    # <-- Confirm host file type
     # build and run commands within docker container context
-    - docker compose --env-file frontend/.env.test build backend
+    - docker compose --env-file frontend/.env.${ENVIRONMENT} build backend
+
 
     # Run commands inside your 'backend' service container
     - docker compose run --rm backend mkdir -p /app/backend/ssl