Run Pytest in the pipeline

.gitlab-ci.yml

@@ -1,10 +1,17 @@
-pages:
-  stage: deploy
+variables:
+  UV_VERSION: 0.5
+  PYTHON_VERSION: 3.12
+  BASE_LAYER: bookworm-slim
+  # GitLab CI creates a separate mountpoint for the build directory,
+  # so we need to copy instead of using hard links.
+  UV_LINK_MODE: copy
+
+pytest:
+  image: ghcr.io/astral-sh/uv:$UV_VERSION-python$PYTHON_VERSION-$BASE_LAYER
+  stage: test
   script:
-    - mkdir public
-    - cp -r website/* public/
+    - uv run pytest --junitxml=report.xml
   artifacts:
-    paths:
-      - public
-  only:
-    - main
+    when: always
+    reports:
+      junit: report.xml