[docker] fix dockerfiles, test docker builds in CI

docker/dockerfile-cli

@@ -1,36 +1,36 @@
-FROM ubuntu:20.04
+FROM ubuntu:22.04
 
 ENV \
     DEBIAN_FRONTEND=noninteractive \
     LANG=C.UTF-8 \
     LC_ALL=C.UTF-8
 
+ARG LIGHTGBM_GIT_REF=stable
+
 RUN apt-get update -y && \
     apt-get install -y --no-install-recommends \
         ca-certificates \
         curl \
         build-essential \
-        gcc \
-        g++ \
         git \
         libomp-dev && \
     rm -rf /var/lib/apt/lists/*
 
-RUN curl -L -o cmake.sh https://github.com/Kitware/CMake/releases/download/v3.29.2/cmake-3.29.2-linux-x86_64.sh && \
+RUN curl -L -o cmake.sh https://github.com/Kitware/CMake/releases/download/v3.29.2/cmake-3.29.2-linux-$(arch).sh && \
     chmod +x cmake.sh && \
     sh ./cmake.sh --prefix=/usr/local --skip-license && \
     rm cmake.sh
 
 RUN git clone \
         --recursive \
-        --branch stable \
+        --branch ${LIGHTGBM_GIT_REF} \
         --depth 1 \
         https://github.com/Microsoft/LightGBM && \
     cd ./LightGBM && \
     cmake -B build -S . && \
     cmake --build build -j4 && \
     cmake --install build && \
-    cd "${HOME}" && \
-    rm -rf LightGBM
+    cd .. && \
+    rm -rf ./LightGBM
 
 ENTRYPOINT ["lightgbm"]

docker/dockerfile-python

@@ -1,6 +1,7 @@
-FROM ubuntu:20.04
+FROM ubuntu:22.04
 
 ARG CONDA_DIR=/opt/miniforge
+ARG LIGHTGBM_GIT_REF=stable
 
 ENV \
     DEBIAN_FRONTEND=noninteractive \
@@ -13,22 +14,20 @@ RUN apt-get update && \
         ca-certificates \
         cmake \
         build-essential \
-        gcc \
-        g++ \
         curl \
         git \
         libomp-dev && \
     # python environment
-    curl -sL https://github.com/conda-forge/miniforge/releases/latest/download/Miniforge3-Linux-x86_64.sh -o miniforge.sh && \
+    curl -sL https://github.com/conda-forge/miniforge/releases/latest/download/Miniforge3-Linux-$(arch).sh -o miniforge.sh && \
     /bin/bash miniforge.sh -f -b -p $CONDA_DIR && \
-    export PATH="$CONDA_DIR/bin:$PATH" && \
     conda config --set always_yes yes --set changeps1 no && \
     # lightgbm
     conda install -q -y numpy scipy scikit-learn pandas && \
-    git clone --recursive --branch stable --depth 1 https://github.com/Microsoft/LightGBM && \
+    git clone --recursive --branch ${LIGHTGBM_GIT_REF} --depth 1 https://github.com/Microsoft/LightGBM && \
     cd ./LightGBM && \
     sh ./build-python.sh install && \
     # clean
     apt-get autoremove -y && apt-get clean && \
     conda clean -a -y && \
-    rm -rf /usr/local/src/*
+    cd .. && \
+    rm -rf ./LightGBM

docker/dockerfile-r

@@ -1,16 +1,18 @@
 ARG R_VERSION=latest
 FROM rocker/verse:${R_VERSION}
 
+ARG LIGHTGBM_GIT_REF=stable
+
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
         build-essential \
         libomp-dev && \
     git clone \
         --recursive \
-        --branch stable \
+        --branch ${LIGHTGBM_GIT_REF} \
         --depth 1 https://github.com/Microsoft/LightGBM && \
     cd ./LightGBM && \
     sh build-cran-package.sh --no-build-vignettes && \
-    R CMD INSTALL ./lightgbm_*.tar.gz && \
+    MAKEFLAGS="-j2" R CMD INSTALL ./lightgbm_*.tar.gz && \
     cd .. && \
     rm -rf ./LightGBM