POC of using Github Actions for CI

.github/workflows/ci-pipeline.yml

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+name: CI Pipeline
+
+on:
+  push:
+    branches:
+      - '*'
+  pull_request:
+    branches:
+      - '*'
+
+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-unittests -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-unittests.tar
+
+      - name: Build Docker image (if not cached)
+        if: steps.cache_docker_image.outputs.cache-hit != 'true'
+        run: |
+          docker build -t ghcr.io/${{ github.repository_owner }}/conan-unittests:latest -f ./ci/conan-unittests .
+          mkdir -p docker_image_cache
+          docker save ghcr.io/${{ github.repository_owner }}/conan-unittests:latest -o docker_image_cache/conan-unittests.tar
+
+      - name: Push Docker image to GHCR
+        if: steps.cache_docker_image.outputs.cache-hit != 'true'
+        run: docker push ghcr.io/${{ github.repository_owner }}/conan-unittests:latest
+
+  linux_unittests:
+    needs: build_container
+    runs-on: ubuntu-latest
+    container:
+      image: ghcr.io/${{ github.repository_owner }}/conan-unittests:latest
+      options: --user conan
+    strategy:
+      matrix:
+        python-version: ['3.8.6']
+    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 meson
+
+      - name: Run tests
+        run: pytest test/unittests --durations=20 -n 4

ci/conan-unittests

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+FROM ubuntu:24.04
+
+LABEL maintainer="Conan.io <[email protected]>"
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    git curl make build-essential libssl-dev zlib1g-dev \
+    libbz2-dev libreadline-dev libsqlite3-dev wget llvm \
+    libncurses5-dev libncursesw5-dev xz-utils tk-dev libffi-dev \
+    liblzma-dev python3-openssl ca-certificates sudo tar && \
+    rm -rf /var/lib/apt/lists/*
+
+RUN useradd -m -s /bin/bash conan && \
+    echo 'conan ALL=(ALL) NOPASSWD:ALL' >> /etc/sudoers
+
+ENV HOME /home/conan
+ENV PYENV_ROOT $HOME/.pyenv
+ENV PATH $PYENV_ROOT/bin:$PYENV_ROOT/shims:/usr/bin:/bin:$PATH
+
+RUN curl https://pyenv.run | bash
+
+RUN pyenv install 3.8.6 && pyenv global 3.8.6
+
+RUN curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py && \
+    python get-pip.py && \
+    rm get-pip.py
+
+RUN chown -R conan:conan $HOME
+
+USER conan
+WORKDIR $HOME
+
+CMD ["/bin/bash"]