refining ci pipeline

.gitlab-ci.yml

@@ -30,8 +30,8 @@ lint:
   stage: test
   script:
     - source $VIRTUAL_ENV/bin/activate
-    - pip install flake8
-    - flake8 backend/  # Run linting for code quality
+    - pip install pre-commit  # Install pre-commit in the CI environment
+    - pre-commit run --all-files  # Run all pre-commit hooks on the entire codebase
 
 deploy:
   stage: deploy

.pre-commit-config.yaml

+repos:
+  - repo: https://github.com/psf/black
+    rev: 23.7.0  # Use the latest stable version
+    hooks:
+      - id: black
+        args: [--check, --diff]
+
+  - repo: https://github.com/pycqa/flake8
+    rev: 6.1.0  # Use the latest stable version
+    hooks:
+      - id: flake8
+        args: []
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