ci: test and lint in a dedicated docker container

.github/workflows/test-and-lint.yaml

@@ -10,40 +10,34 @@ jobs:
   lint-and-test:
     name: Lint and test
     runs-on: ubuntu-latest
+    env:
+      DISPLAY: ':99.0'
+    container:
+      image: ghcr.io/swvanbuuren/qt-python-docker:master
+      options: > 
+        --env DISPLAY=$DISPLAY 
+        --volume /tmp/.X11-unix:/tmp/.X11-unix
     strategy:
       fail-fast: false
       matrix:
         python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
-    env:
-      DISPLAY: ':99.0'
-      QT_SELECT: "qt6"
     steps:
+    - name: Start Xvfb
+      run: Xvfb :99 -screen 0 1920x1080x24 &
+
     - name: Checkout repository
       uses: actions/checkout@v4
 
-    - name: Install uv
-      uses: astral-sh/setup-uv@v3
-
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
 
     - name: Install the project
-      run: |
-        uv sync
+      run: uv sync
 
     - name: Lint with pylint
-      run: |
-        uv run pylint ${{ github.event.repository.name }}
-
-    - name: Install test dependencies
-      run: |
-        sudo apt-get install -y xvfb libxkbcommon-x11-0 libxcb-icccm4 libxcb-image0 libxcb-keysyms1 libxcb-randr0 libxcb-render-util0 libxcb-xinerama0 libxcb-xinput0 libxcb-xfixes0 libxcb-shape0 libglib2.0-0 libgl1-mesa-dev
-        sudo apt-get install -y '^libxcb.*-dev' libx11-xcb-dev libglu1-mesa-dev libxrender-dev libxi-dev libxkbcommon-dev libxkbcommon-x11-dev
-        # start xvfb in the background
-        sudo /usr/bin/Xvfb $DISPLAY -screen 0 1920x1080x24 &
+      run: uv run pylint ${{ github.event.repository.name }}
 
     - name: Test with pytest
-      run: |
-        uv run pytest -v -s
+      run: uv run pytest -v -s