Ubuntu container implementation for CI environment

.dockerignore

@@ -0,0 +1,16 @@
+.env
+*.log
+*.md
+*.git*
+*.DS_Store
+
+docker-compose.yml
+docker-compose.override.yml
+
+dist/
+build/
+tmp/
+*.tmp
+*.swp
+
+.github/

.github/runner/ubuntu_image.dockerfile

@@ -0,0 +1,31 @@
+# Commands:
+# [build] docker build -t ghr-chess-engine-ubuntu . -f .github\runner\ubuntu_image.dockerfile
+# [run] docker run -it --rm ghr-chess-engine-ubuntu
+# [configure cmake] cmake --preset=clang_release
+# [build cmake] cmake --build --preset=clang_release
+
+FROM ubuntu:24.04
+
+# [curl, zip]: dependencies for vcpkg
+RUN apt-get update && apt-get install -y \
+    curl zip \
+    pkg-config \
+    build-essential \
+    git \
+    cmake \
+    clang \
+    ninja-build \
+    && rm -rf /var/lib/apt/lists/*
+
+# Configure VCPKG
+WORKDIR /
+RUN git clone https://github.com/microsoft/vcpkg.git
+WORKDIR /vcpkg
+RUN ./bootstrap-vcpkg.sh -disableMetrics
+ENV VCPKG_ROOT=/vcpkg
+ENV PATH="${VCPKG_ROOT}:${PATH}"
+
+WORKDIR /chess_engine
+COPY . .
+
+RUN ["/bin/bash"]

CMakeLists.txt

@@ -28,6 +28,7 @@ set(COMPILE_PACKAGE "Packages and exports library and binaries" ON)
 include(cmake/clang_format.cmake)
 include(cmake/clang_tidy.cmake)
 include(cmake/compile_options.cmake)
+include(cmake/setup_pthread.cmake)
 
 find_package(fmt CONFIG REQUIRED)
 find_package(spdlog CONFIG REQUIRED)

CMakePresets.json

@@ -11,6 +11,7 @@
       "hidden": true,
       "binaryDir": "${sourceDir}/build/${presetName}",
       "toolchainFile": "$env{VCPKG_ROOT}/scripts/buildsystems/vcpkg.cmake",
+      "generator": "Ninja",
       "cacheVariables": {
         "CMAKE_EXPORT_COMPILE_COMMANDS": true,
         "CMAKE_INSTALL_PREFIX": "${sourceDir}/build/install"

cmake/setup_pthread.cmake

@@ -0,0 +1,14 @@
+
+if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
+  # Required for pthread libs to be detected properly by cmake while configuring
+  # It's a requirement for spdlog external library
+  # Error log:
+  # 'Could NOT find Threads (missing: Threads_FOUND)'
+  #  build/clang_debug/vcpkg_installed/x64-linux/share/spdlog/spdlogConfig.cmake:30 (find_package)
+  # Tried installing libs and checking availability with the PATH: everything was ok but cmake still couldn't find it
+  # Tried libs: libpthread-stubs0-dev / libatomic1 / gcc-multilib / g++-multilib / libc6-dev / libc++-dev / libc++abi-dev
+  # Finally found a workaround by forcing the pthread flags
+  set(CMAKE_THREAD_LIBS_INIT "-pthread" CACHE STRING "")
+  set(CMAKE_HAVE_THREADS_LIBRARY 1 CACHE BOOL "")
+  set(CMAKE_USE_PTHREADS_INIT 1 CACHE BOOL "")
+endif()