add devcontainer

.devcontainer/Dockerfile

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+FROM ubuntu:22.04
+
+RUN apt update;\
+    apt install --yes software-properties-common; \
+    apt update
+RUN DEBIAN_FRONTEND=noninteractive apt install --yes \
+        autoconf \
+        automake \
+        bison \
+        build-essential \
+        ccache \
+        clang-15 \
+        freeglut3-dev \
+        libavcodec-dev \
+        libavdevice-dev \
+        libavformat-dev \
+        libcpptest-dev \
+        libcurl4-openssl-dev \
+        libfreetype6-dev \
+        libgif-dev \
+        libgsf-1-dev \
+        libjpeg-dev \
+        liblua5.2-dev \
+        libluabind-dev \
+        liblzma-dev \
+        libmysqlclient-dev \
+        libogg-dev \
+        libopenal-dev \
+        libpng-dev \
+        libpostproc-dev \
+        libsquish-dev \
+        libssl-dev \
+        libswscale-dev \
+        libvorbis-dev \
+        libxml2-dev \
+        mingw-w64 \
+        mingw-w64-tools \
+        ninja-build \
+        qtbase5-dev \
+        qttools5-dev \
+        qttools5-dev-tools \
+        libqtpropertybrowser-dev \
+        qt6-base-dev \
+        qt6-l10n-tools \
+        qt6-tools-dev \
+        qt6-tools-dev-tools
+
+
+RUN apt install --yes \
+        doxygen \
+        gdb \
+        git \
+        graphviz \
+        libxrandr-dev \
+        wget
+
+# work arround as there is no debug version available
+RUN cp /lib/x86_64-linux-gnu/libcpptest.so /lib/x86_64-linux-gnu/libcpptestd.so
+
+RUN wget --output-document=/tmp/cmake.sh https://github.com/Kitware/CMake/releases/download/v${CMAKE_VERSION}/cmake-${CMAKE_VERSION}-linux-x86_64.sh \
+    && mkdir --parents "$CMAKE_INSTALL_DIR" \
+    && sh /tmp/cmake.sh --skip-license --prefix="$CMAKE_INSTALL_DIR" \
+    && ln --symbolic --force "$CMAKE_INSTALL_DIR/bin/cmake" /usr/local/bin/cmake
+
+ARG CMAKE_VERSION=3.27.9
+ARG CMAKE_INSTALL_DIR=/opt/cmake-$CMAKE_VERSION
+ARG USERNAME=ryzom
+ARG USER_UID=1000
+ARG USER_GID=$USER_UID
+
+RUN groupadd --gid $USER_GID $USERNAME \
+    && useradd --uid $USER_UID --gid $USER_GID -m $USERNAME \
+    && apt-get update \
+    && apt-get install --yes sudo \
+    && echo $USERNAME ALL=\(root\) NOPASSWD:ALL > /etc/sudoers.d/$USERNAME \
+    && chmod 0440 /etc/sudoers.d/$USERNAME
+
+USER $USERNAME

.devcontainer/devcontainer.json

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+{
+  "build": {
+    "dockerfile": "Dockerfile"
+  },
+  "containerUser": "ryzom",
+  "customizations": {
+    "vscode": {
+      "extensions": [
+        "ms-vscode.cpptools-extension-pack"
+      ],
+      "settings": {
+        "cmake.configureArgs": [
+          "-DWITH_STATIC=ON",
+          "-DWITH_NEL_TESTS=OFF",
+          "-DWITH_NEL_SAMPLES=ON",
+          "-DWITH_LUA51=OFF",
+          "-DWITH_LUA52=ON",
+          "-DWITH_RYZOM=ON",
+          "-DWITH_RYZOM_SERVER=ON",
+          "-DWITH_RYZOM_CLIENT=ON",
+          "-DWITH_RYZOM_TOOLS=ON",
+          "-DWITH_NEL_TOOLS=ON",
+          "-DWITH_NELNS=ON",
+          "-DWITH_NELNS_LOGIN_SYSTEM=ON",
+          "-DWITH_NELNS_SERVER=ON",
+          "-DWITH_QT5=ON",
+          "-DWITH_LIBGSF=ON",
+          "-DWITH_MONGODB=OFF",
+          "-DWITH_PCH=OFF"
+        ]
+      }
+    }
+  }
+}

docker-compose.yaml

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+services:
+  devcontainer:
+    image: "ryzomcore/devcontainer"
+    build: ./.devcontainer