Update ubuntu Docker tag to v26

.github/workflows/clang-format.yml

@@ -12,7 +12,7 @@ on: # yamllint disable-line rule:truthy
 jobs:
   lint:
     name: clang-format style check
-    runs-on: ubuntu-24.04
+    runs-on: ubuntu-26.04
 
     steps:
       - name: Checkout repository
@@ -21,12 +21,15 @@ jobs:
       - name: Install dependencies
         # yamllint disable rule:line-length
         run: |
-          wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
-          sudo apt-add-repository "deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy main"
+          sudo mkdir -p /etc/apt/keyrings
+          curl -fsSL https://apt.llvm.org/llvm-snapshot.gpg.key \
+          | sudo gpg --dearmor -o /etc/apt/keyrings/llvm-snapshot.gpg
+          echo "deb [signed-by=/etc/apt/keyrings/llvm-snapshot.gpg] http://apt.llvm.org/resolute/ llvm-toolchain-resolute-22 main" \
+          | sudo tee /etc/apt/sources.list.d/llvm.list && \
           sudo apt-get -y update
-          sudo apt-get -y install --no-install-recommends --no-install-suggests clang-format-19
-          sudo update-alternatives --install /usr/bin/clang-format clang-format $(which clang-format-19) 100
-          sudo update-alternatives --set clang-format $(update-alternatives --list clang-format | grep clang-format-19)
+          sudo apt-get -y install --no-install-recommends --no-install-suggests clang-format-22
+          sudo update-alternatives --install /usr/bin/clang-format clang-format $(which clang-format-22) 100
+          sudo update-alternatives --set clang-format $(update-alternatives --list clang-format | grep clang-format-22)
           # yamllint enable rule:line-length
 
       - name: Check Tools

.github/workflows/cpp-coverage.yml

@@ -1,5 +1,5 @@
 ---
-name: C++ CI Coverage
+name: C/C++ CI Coverage
 
 on: # yamllint disable-line rule:truthy
   push:
@@ -11,35 +11,27 @@ on: # yamllint disable-line rule:truthy
 
 jobs:
   coverage:
-    name: C++ CMake CI Coverage
-    runs-on: macos-15
+    name: C/C++ CMake CI Coverage
+    runs-on: ubuntu-26.04
 
     steps:
       - name: Checkout repository
         uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
 
-      - name: Install Tools
+      - name: Install/Adjust VCPKG
         shell: bash
         run: |
-          # Install vcpkg
-          export VCPKG_VERSION=2025.02.14
-          git clone \
-            --depth 1 \
-            --branch $VCPKG_VERSION \
-            https://github.com/microsoft/vcpkg.git  \
-            --single-branch \
-            "$HOME/vcpkg"
-          export VCPKG_ROOT="$HOME/vcpkg"
-          echo "$VCPKG_ROOT" >> $GITHUB_PATH
-          sh $VCPKG_ROOT/bootstrap-vcpkg.sh
-          echo "VCPKG_ROOT=$HOME/vcpkg" >> $GITHUB_ENV
-          # lcov is available via homebrew
-          brew install lcov
+          echo "VCPKG_ROOT=/usr/local/share/vcpkg" >> $GITHUB_ENV
+
+      - name: Install Tools
+        run: |
+          sudo apt-get update
+          sudo apt-get install lcov
 
       - name: Check Tools
         run: |
           echo "-----------"
-          c++ --version
+          g++ --version
           echo "-----------"
           make --version
           echo "-----------"
@@ -53,21 +45,19 @@ jobs:
         run: |
           make dependencies
 
-      # yamllint disable rule:line-length
       - name: Build
         run: |
-          export VCPKG_ROOT=/usr/local/share/vcpkg
           make build
-      # yamllint enable rule:line-length
+
       - name: Test / Coverage
         run: make coverage
 
       # yamllint disable rule:line-length
       - name: Upload coverage reports to Codecov with GitHub Action
-        uses: codecov/codecov-action@fb8b3582c8e4def4969c97caa2f19720cb33a72f # v7
+        uses: codecov/codecov-action@fb8b3582c8e4def4969c97caa2f19720cb33a72f # v7.0.0
+        # yamllint enable rule:line-length
         with:
           directory: ./coverage
           files: coverage/lcov.info
           token: ${{ secrets.CODECOV_TOKEN }} # required
           verbose: true # optional (default = false)
-          # yamllint enable rule:line-length

Dockerfile

@@ -1,4 +1,4 @@
-ARG BASE_IMAGE_VERSION=ubuntu:noble-20260509.1
+ARG BASE_IMAGE_VERSION=ubuntu:26.04
 FROM ${BASE_IMAGE_VERSION} AS init
 
 ENV WORKDIR=/app
@@ -16,10 +16,11 @@ ENV TZ=Etc/UTC
 
 # build tools
 RUN apt-get update \
-  && apt-get -y install --no-install-recommends --no-install-suggests build-essential cmake g++ make pkg-config \
+  && apt-get -y install --no-install-recommends --no-install-suggests build-essential cmake g++ gcc make pkg-config \
   && rm -rf /var/lib/apt/lists/* \
   && make --version \
   && cmake --version \
+  && gcc --version \
   && g++ --version
 
 # vcpkg Package Manager
@@ -33,7 +34,7 @@ RUN apt-get -y update && \
   ca-certificates curl git ninja-build unzip zip && \
   rm -rf /var/lib/apt/lists/* && \
   mkdir /opt/vcpkg && \
-  git clone --branch ${VCPKG_VERSION} https://github.com/microsoft/vcpkg "${VCPKG_ROOT}" && \
+  git clone --branch "${VCPKG_VERSION}" https://github.com/microsoft/vcpkg "${VCPKG_ROOT}" && \
   /opt/vcpkg/bootstrap-vcpkg.sh && \
   ln -s /opt/vcpkg/vcpkg /usr/local/bin/vcpkg && \
   rm -rf /var/lib/apt/lists/* && \
@@ -68,11 +69,15 @@ FROM builder AS lint
 RUN apt-get update && \
   apt-get -y install --no-install-recommends --no-install-suggests gnupg software-properties-common && \
   rm -rf /var/lib/apt/lists/*
-ADD https://apt.llvm.org/llvm-snapshot.gpg.key llvm-snapshot.gpg.key
-RUN apt-key add llvm-snapshot.gpg.key && \
-  apt-add-repository -y "deb https://apt.llvm.org/noble/ llvm-toolchain-noble-20 main" && \
+
+RUN mkdir -p /etc/apt/keyrings && \
+  curl -fsSL https://apt.llvm.org/llvm-snapshot.gpg.key \
+  | gpg --dearmor -o /etc/apt/keyrings/llvm-snapshot.gpg && \
+  echo "deb [signed-by=/etc/apt/keyrings/llvm-snapshot.gpg] http://apt.llvm.org/resolute/ llvm-toolchain-resolute-22 main" \
+  | tee /etc/apt/sources.list.d/llvm.list && \
   apt-get -y update && \
-  apt-get -y install --no-install-recommends --no-install-suggests clang-format && \
+  apt-get -y install --no-install-recommends --no-install-suggests clang-format-22 && \
+  update-alternatives --install /usr/bin/clang-format clang-format $(which clang-format-22) 100 && \
   rm -rf /var/lib/apt/lists/*
 
 ADD https://deb.nodesource.com/setup_22.x nodesource_setup.sh
@@ -81,10 +86,16 @@ RUN bash nodesource_setup.sh && \
   npm install -g --ignore-scripts markdownlint-cli@0.47.0 && \
   apt-get -y install --no-install-recommends --no-install-suggests python3-minimal python3-pip && \
   rm /usr/lib/python3.*/EXTERNALLY-MANAGED && \
-  pip install --no-cache-dir yamllint && \
+  apt-get -y install --no-install-recommends --no-install-suggests yamllint && \
   apt-get -y install --no-install-recommends --no-install-suggests cppcheck && \
   rm -rf /var/lib/apt/lists/*
 
+# Tooling test
+RUN clang-format --version && \
+  markdownlint --version && \
+  yamllint --version && \
+  cppcheck --version
+
 # Code source
 COPY ./src ${WORKDIR}/src
 COPY ./vcpkg.json ${WORKDIR}/vcpkg.json