diff --git a/.ci/docker/ubuntu.Dockerfile b/.ci/docker/ubuntu.Dockerfile
deleted file mode 100644
index e71b915..0000000
--- a/.ci/docker/ubuntu.Dockerfile
+++ /dev/null
@@ -1,38 +0,0 @@
-# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-
-# Using a non-LTS Ubuntu, just until CMake 3.25 is available on Ubuntu 24.04
-FROM ubuntu:23.10
-
-# Install dependencies,
-RUN apt-get update
-RUN apt-get install -y \
-        clang \
-        clang-tidy \
-        g++ \
-        ninja-build \
-        cmake \
-        git
-RUN apt-get clean
-
-WORKDIR /workarea
-COPY ./ ./
-
-# Set build arguments.
-ARG cc=gcc
-ARG cxx=g++
-ARG cmake_args=
-
-# Workaround Ubuntu broken ASan
-RUN sysctl vm.mmap_rnd_bits=28
-
-# Build.
-ENV CC="$cc" CXX="$cxx" CMAKE_GENERATOR="Ninja Multi-Config" CMAKE_EXPORT_COMPILE_COMMANDS=on
-RUN ls -lR src
-RUN cmake -B build -S . "$cmake_args"
-RUN cmake --build build --config Release --verbose
-RUN cmake --build build --config Release --target all_verify_interface_header_sets
-RUN cmake --install build --config Release --prefix /opt/beman.exemplar
-RUN cmake --build build --config Debug --verbose
-RUN cmake --build build --config Debug --target all_verify_interface_header_sets
-RUN cmake --install build --config Debug --prefix /opt/beman.exemplar
-RUN find /opt/beman.exemplar -type f
diff --git a/.github/workflows/ci_tests.yml b/.github/workflows/ci_tests.yml
index dfc7998..e6eff09 100644
--- a/.github/workflows/ci_tests.yml
+++ b/.github/workflows/ci_tests.yml
@@ -12,63 +12,90 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-latest
     strategy:
+      fail-fast: false
       matrix:
-        cfg:
-          - { id: ubuntu-gcc-werror, platform: ubuntu, cc: gcc, cpp: g++, cmake_args: "-DCMAKE_CXX_FLAGS='-Werror=all -Werror=extra'"}
-          - { id: ubuntu-gcc-aubsan, platform: ubuntu, cc: gcc, cpp: g++, cmake_args: "-DCMAKE_CXX_FLAGS=-fsanitize=address -fsanitize=undefined"}
-          - { id: ubuntu-gcc-tsan, platform: ubuntu, cc: gcc, cpp: g++, cmake_args: "-DCMAKE_CXX_FLAGS=-fsanitize=thread"}
-          - { id: ubuntu-gcc-static, platform: ubuntu, cc: gcc, cpp: g++, cmake_args: ""}
-          - { id: ubuntu-gcc-dynamic, platform: ubuntu, cc: gcc, cpp: g++, cmake_args: "-DBUILD_SHARED_LIBS=on"}
-          - { id: ubuntu-clang-static, platform: ubuntu, cc: clang, cpp: clang++, cmake_args: ""}
-          - { id: ubuntu-clang-dynamic, platform: ubuntu, cc: clang, cpp: clang++, cmake_args: "-DBUILD_SHARED_LIBS=on"}
-          - { id: ubuntu-gcc-static-cxx20, platform: ubuntu, cc: gcc, cpp: g++, cmake_args: "-DCMAKE_CXX_STANDARD=20 -DCMAKE_CXX_STANDARD_REQUIRED=on"}
-          - { id: ubuntu-gcc-static-cxx23, platform: ubuntu, cc: gcc, cpp: g++, cmake_args: "-DCMAKE_CXX_STANDARD=23 -DCMAKE_CXX_STANDARD_REQUIRED=on"}
-          - { id: ubuntu-gcc-static-cxx26, platform: ubuntu, cc: gcc, cpp: g++, cmake_args: "-DCMAKE_CXX_STANDARD=26 -DCMAKE_CXX_STANDARD_REQUIRED=on"}
-          - { id: ubuntu-clang-static-cxx20, platform: ubuntu, cc: clang, cpp: clang++, cmake_args: "-DCMAKE_CXX_STANDARD=20 -DCMAKE_CXX_STANDARD_REQUIRED=on"}
-          - { id: ubuntu-clang-static-cxx23, platform: ubuntu, cc: clang, cpp: clang++, cmake_args: "-DCMAKE_CXX_STANDARD=23 -DCMAKE_CXX_STANDARD_REQUIRED=on"}
-          - { id: ubuntu-clang-static-cxx26, platform: ubuntu, cc: clang, cpp: clang++, cmake_args: "-DCMAKE_CXX_STANDARD=26 -DCMAKE_CXX_STANDARD_REQUIRED=on"}
+        platform: [ubuntu-latest]
+        compiler:
+          - cpp: g++
+            c: gcc
+          - cpp: clang++
+            c: clang
+        cmake_args:
+          - description: "Static default"
+            args: ""
+          - description: "Dynamic default"
+            args: "-DBUILD_SHARED_LIBS=on"
+          - description: "static C++20"
+            args: "-DCMAKE_CXX_STANDARD=20"
+          - description: "static C++23"
+            args: "-DCMAKE_CXX_STANDARD=23"
+          - description: "static C++26"
+            args: "-DCMAKE_CXX_STANDARD=26"
+        include:
+          - platform: ubuntu-latest
+            compiler:
+              cpp: g++
+              c: gcc
+            cmake_args:
+              description: "Werror"
+              cmake_args: "-DCMAKE_CXX_FLAGS='-Werror=all -Werror=extra'"
+          - platform: ubuntu-latest
+            compiler:
+              cpp: g++
+              c: gcc
+            cmake_args:
+              description: "A-San"
+              cmake_args: "-DCMAKE_CXX_FLAGS=-fsanitize=address -fsanitize=undefined"
+          - platform: ubuntu-latest
+            compiler:
+              cpp: g++
+              c: gcc
+            cmake_args:
+              description: "T-San"
+              cmake_args: "-DCMAKE_CXX_FLAGS=-fsanitize=thread"
 
+    name: "Bulid & Test: ${{ matrix.compiler.c }} ${{ matrix.cmake_args.description }}"
+    runs-on: ${{ matrix.platform }}
     steps:
       - uses: actions/checkout@v4
-      # GitHub runners have updated the Ubuntu Linux Kernel to use strong ASLR,
-      # but LLVM is not configured for this change, and thus the address
-      # sanitizer breaks.
-      #
-      # The next image is supposed to fix this, so if the Ubuntu image has been
-      # updated, this work around is no longer required.
-      - name: get runner image version
-        id: runner-image-version
+      - name: Install Ninja
+        uses: lukka/get-cmake@latest
+        with:
+          cmakeVersion: "~3.25.0"
+          ninjaVersion: "^1.11.1"
+      - name: Print installed softwares
         run: |
-          echo "image-version=$(echo $ImageVersion)" >> "$GITHUB_OUTPUT"
-        working-directory: .
-      - name: modify number of bits to use for ASLR entropy
-        if: ${{ steps.runner-image-version.outputs.ImageVersion }} == '20240310.1.0'
+          clang++ --version
+          g++ --version
+          cmake --version
+          ninja --version
+      - name: Build Release
         run: |
-          sudo sysctl -a | grep vm.mmap.rnd
-          sudo sysctl -w vm.mmap_rnd_bits=28
-        working-directory: .
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-      - name: Build and push
-        uses: docker/build-push-action@v6
-        with:
-          context: .
-          push: false
-          load: true
-          tags: ${{ matrix.cfg.id }}
-          file: .ci/docker/${{ matrix.cfg.platform }}.Dockerfile
-          build-args: |
-            cc=${{ matrix.cfg.cc }}
-            cxx=${{ matrix.cfg.cpp }}
-            cmake_args=${{ matrix.cfg.cmake_args }}
-          cache-from: type=gha
-          cache-to: type=gha,mode=max
-      - name: Run tests
+          cmake -B build -S . "${{ matrix.cmake_args.args }}"
+          cmake --build build --config Release --verbose
+          cmake --build build --config Release --target all_verify_interface_header_sets
+          cmake --install build --config Release --prefix /opt/beman.exemplar
+          find /opt/beman.exemplar -type f
+        env:
+          CC: ${{ matrix.compiler.c }}
+          CXX: ${{ matrix.compiler.cpp }}
+          CMAKE_GENERATOR: "Ninja Multi-Config"
+      - name: Test Release
+        run: ctest --test-dir build --build-config Release
+      - name: Build Debug
         run: |
-          docker run ${{ matrix.cfg.id }} ctest --test-dir build -C Release
-          docker run ${{ matrix.cfg.id }} ctest --test-dir build -C Debug
+          cmake -B build -S . "${{ matrix.cmake_args.args }}"
+          cmake --build build --config Debug --verbose
+          cmake --build build --config Debug --target all_verify_interface_header_sets
+          cmake --install build --config Debug --prefix /opt/beman.exemplar
+          find /opt/beman.exemplar -type f
+        env:
+          CC: ${{ matrix.compiler.c }}
+          CXX: ${{ matrix.compiler.cpp }}
+          CMAKE_GENERATOR: "Ninja Multi-Config"
+      - name: Test Release
+        run: ctest --test-dir build --build-config Debug
 
   create-issue-when-fault:
     runs-on: ubuntu-latest