Explore using Github Actions for CI

.github/workflows/linux-tests.yml

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+name: Linux tests
+
+on:
+  push:
+    branches:
+      - develop2
+      - release/*
+  pull_request:
+    branches:
+      - '*'
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build_container:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Calculate Dockerfile checksum
+        id: dockerfile_hash
+        run: |
+          DOCKERFILE_HASH=$(find ./ci/conan-tests -type f -exec sha256sum {} \; | sha256sum | cut -d' ' -f1)
+          echo "hash=$DOCKERFILE_HASH" >> $GITHUB_OUTPUT
+
+      - name: Cache Docker image
+        id: cache_docker_image
+        uses: actions/cache@v3
+        with:
+          path: docker_image_cache
+          key: ${{ runner.os }}-docker-${{ steps.dockerfile_hash.outputs.hash }}
+
+      - name: Load Docker image from cache
+        if: steps.cache_docker_image.outputs.cache-hit == 'true'
+        run: docker load -i docker_image_cache/conan-tests.tar
+
+      - name: Get Docker group GID
+        if: steps.cache_docker_image.outputs.cache-hit != 'true'
+        id: docker_gid
+        run: |
+          DOCKER_GID=$(getent group docker | cut -d: -f3)
+          echo "docker_gid=$DOCKER_GID" >> $GITHUB_OUTPUT
+
+      - name: Build Docker image (if not cached)
+        if: steps.cache_docker_image.outputs.cache-hit != 'true'
+        run: |
+          docker build \
+          --build-arg DOCKER_GID=${{ steps.docker_gid.outputs.docker_gid }} \
+          -t ghcr.io/${{ github.repository_owner }}/conan-tests:latest \
+          -f ./ci/conan-tests .
+          mkdir -p docker_image_cache
+          docker save ghcr.io/${{ github.repository_owner }}/conan-tests:latest -o docker_image_cache/conan-tests.tar
+
+      - name: Push Docker image to GHCR
+        if: steps.cache_docker_image.outputs.cache-hit != 'true'
+        run: docker push ghcr.io/${{ github.repository_owner }}/conan-tests:latest
+
+  # linux:
+  #   needs: build_container
+  #   runs-on: ubuntu-latest
+  #   container:
+  #     image: ghcr.io/${{ github.repository_owner }}/conan-tests:latest
+  #     options: --user conan
+  #   strategy:
+  #     matrix:
+  #       python-version: ['3.12.3', '3.9.2', '3.8.6', '3.6.15']
+  #       test-type: ['unittests', 'integration', 'functional']
+  #   name: Python ${{ matrix.python-version }} - ${{ matrix.test-type }}
+  #   steps:
+  #     - name: Checkout code
+  #       uses: actions/checkout@v3
+
+  #     - name: Set up Python ${{ matrix.python-version }}
+  #       run: |
+  #         pyenv global ${{ matrix.python-version }}
+  #         python --version
+
+  #     - name: Cache pip
+  #       uses: actions/cache@v3
+  #       with:
+  #         path: ~/.cache/pip
+  #         key: ${{ runner.os }}-pip-${{ matrix.python-version }}-${{ hashFiles('**/requirements*.txt') }}
+
+  #     - name: Install dependencies
+  #       run: |
+  #         pip install --upgrade pip
+  #         pip install -r conans/requirements.txt
+  #         pip install -r conans/requirements_dev.txt
+  #         pip install -r conans/requirements_server.txt
+  #         pip install meson
+
+  #     - name: Run tests
+  #       shell: bash
+  #       run: |
+  #         if [ "${{ matrix.test-type }}" == "unittests" ]; then
+  #           pytest test/unittests --durations=20 -n 4 -rs
+  #         elif [ "${{ matrix.test-type }}" == "integration" ]; then
+  #           pytest test/integration --durations=20 -n 4 -rs
+  #         elif [ "${{ matrix.test-type }}" == "functional" ]; then
+  #           pytest test/functional --durations=20 -n 4 -rs
+  #         fi
+
+  linux_docker_tests:
+    needs: build_container
+    runs-on: ubuntu-latest
+    container:
+      image: ghcr.io/${{ github.repository_owner }}/conan-tests:latest
+      options: --user conan -v /var/run/docker.sock:/var/run/docker.sock
+    strategy:
+      matrix:
+        python-version: ['3.12.3']
+    name: Docker Runner Tests - Python ${{ matrix.python-version }}
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Pull Docker image
+        run: docker pull ghcr.io/${{ github.repository_owner }}/conan-tests:latest
+
+      - name: Install dependencies
+        run: |
+          pip install --upgrade pip
+          pip install -r conans/requirements.txt
+          pip install -r conans/requirements_dev.txt
+          pip install -r conans/requirements_server.txt
+          pip install meson
+
+      - name: Run tests
+        shell: bash
+        run: |
+          pytest -m docker_runner --durations=20 -rs