Clean up CI

Author: darkvision77

.github/workflows/core-tests.yml

@@ -37,24 +37,27 @@ jobs:
         os:
           - "12"
           - "13"
-    name: Debian ${{ matrix.os }}
+    name: Debian ${{ matrix.os }} (x86_64)
     runs-on: ubuntu-24.04
+    container:
+      image: debian:${{ matrix.os }}
     steps:
       - name: Checkout repository
         uses: actions/checkout@v6
-      - name: Set up Docker
-        uses: docker/setup-buildx-action@v3
-      - name: Run Debian container
+
+      - name: Install apt packages
         run: |
-          docker run --rm -v $(pwd):/workspace -w /workspace debian:${{ matrix.os }}-slim /bin/bash -c "
-          set -eou pipefail
-          export GITHUB_ACTIONS=true
           apt-get update -y --fix-missing
           apt-get install -y build-essential libgtest-dev libgmock-dev ninja-build cmake
-          cmake -G Ninja -S. -B build -DLIBCAPT_SANITIZE=ON -DLIBCAPT_BUILD_EXAMPLES=ON -DLIBCAPT_BUILD_TESTS=ON -DCMAKE_CXX_FLAGS="-Werror"
-          cmake --build build -v -j
-          ctest --test-dir build --output-on-failure -j
-          "
+
+      - name: Configure
+        run: cmake -G Ninja -S. -B build -DLIBCAPT_SANITIZE=ON -DLIBCAPT_BUILD_EXAMPLES=ON -DLIBCAPT_BUILD_TESTS=ON -DCMAKE_CXX_FLAGS="-Werror"
+
+      - name: Compile
+        run: cmake --build build -v -j
+
+      - name: Run tests
+        run: ctest --test-dir build --output-on-failure -j
 
   FreeBSD:
     needs: Ubuntu
@@ -67,7 +70,7 @@ jobs:
       run:
         shell: freebsd {0}
     name: FreeBSD ${{ matrix.release }}-RELEASE
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - name: Checkout repository
         uses: actions/checkout@v6
@@ -99,7 +102,7 @@ jobs:
       run:
         shell: openbsd {0}
     name: OpenBSD ${{ matrix.release }}
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - name: Checkout repository
         uses: actions/checkout@v6