add almalinux 8.5

alma8-eb-base/Dockerfile

+ARG IMG_REGISTRY=docker.io
+ARG IMG_NAME=almalinux
+ARG IMG_TAG=8.5
+# allow CI/CD to change all of the above
+FROM ${IMG_REGISTRY}/${IMG_NAME}:${IMG_TAG}
+# set default easybuild version
+ARG EB_VER=4.5.1
+LABEL easybuild_version=${EB_VER}
+# install required packages (EPEL is required for Lmod)
+# RUN yum update -y
+RUN yum install -y epel-release \
+ && yum install -y 'dnf-command(config-manager)' \
+ && dnf config-manager --set-enabled powertools \
+ && yum install -y bzip2 file gcc-c++ git Lmod make openssl openssl-devel patch python3-pip unzip xz vim which rdma-core-devel diffutils findutils
+# install EasBuild & archspec
+RUN pip3 install easybuild==${EB_VER} archspec
+# add 'easybuild' user
+RUN useradd -ms /bin/bash easybuild
+# create /scratch & /easybuild directories
+RUN mkdir /scratch && chown easybuild:easybuild /scratch \
+  && mkdir /easybuild && chown easybuild:easybuild /easybuild
+# disable output buffering in Python, so we see EasyBuild output as it progresses
+ENV PYTHONUNBUFFERED=TRUE
+# Define the ENTRYPOINT for subsequent commands (CMD)
+ENTRYPOINT ["/bin/bash", "-l", "-c"]
+# SHELL defines which login shell will be used within RUN steps
+SHELL ["/bin/bash", "-l", "-c"]
+# By default the container will start a bash shell
+CMD ["bash"]
+# switch to 'easybuild' user
+USER easybuild
+# install EasyBuild as a module (& clean up /scratch);
+# need to specify EB_PYTHON to ensure python3 is used,
+# since pip3 was used for installation and  /usr/bin/python also exists
+RUN EB_PYTHON=/usr/bin/python3 eb --install-latest-eb-release --prefix /scratch --installpath /easybuild \
+  && rm -rf /scratch/* \
+  # load EasyBuild module through .bashrc startup script
+  && echo 'ml use /easybuild/modules/all && ml EasyBuild/'${EB_VER} >> ~/.bashrc
+# remove globally installed EasyBuild, we can use the module going forward
+USER root
+RUN pip3 uninstall -y easybuild easybuild-framework easybuild-easyblocks easybuild-easyconfigs
+# switch to 'easybuild' user
+USER easybuild
+# print info on Lmod & EasyBuild
+RUN ml --version \
+  && which -a eb \
+  && eb --version \
+  && eb --show-system-info
+# make sure we start in /home/easybuild rather than / when shell in started in container
+WORKDIR /home/easybuild

alma8-eb-test/Dockerfile

+ARG IMG_REGISTRY=gitlab.version.fz-juelich.de:5555
+ARG IMG_ORG=easybuild-docker
+ARG IMG_REPO=easybuild-docker
+ARG IMG_NAME=alma8-eb-base
+ARG IMG_TAG=latest
+# allow CI/CD to change all of the above
+FROM ${IMG_REGISTRY}/${IMG_ORG}/${IMG_REPO}/${IMG_NAME}:${IMG_TAG}
+# Allow chaining the user and group id during build time
+ARG USER_ID
+ARG GROUP_ID
+# add EasyBuild-develop.eb
+ADD EasyBuild-develop.eb /home/easybuild/EasyBuild-develop.eb
+USER root
+RUN chown -R easybuild:easybuild /home/easybuild/EasyBuild-develop.eb
+# install pep8, keyring, keyrings.alt, and GitPython
+RUN pip3 install --upgrade pip && pip3 install pep8 keyring keyrings.alt GitPython
+# set default easybuild version
+ARG EB_VER=4.5.1
+LABEL easybuild_version=${EB_VER}
+# switch to 'easybuild' user
+USER easybuild
+# install latest EasyBuild dev as a module (& clean up /scratch);
+# need to specify EB_PYTHON to ensure python3 is used,
+# since pip3 was used for installation and  /usr/bin/python also exists
+RUN EB_PYTHON=/usr/bin/python3 eb --force-download --try-software-version $(date '+%Y%m%d') EasyBuild-develop.eb --prefix /scratch --installpath /easybuild \
+  && rm -rf /scratch/* \
+  # load EasyBuild module through .bashrc startup script
+  && echo 'ml use /easybuild/modules/all && ml EasyBuild/'${EB_VER} >> ~/.bashrc
+# print info on Lmod & EasyBuild
+RUN ml --version \
+  && which -a eb \
+  && eb --version \
+  && eb --show-system-info
+# adjust user and group id accroding to arguments given by 
+# --build-arg USER_ID=$(id -u ${USER}) \
+# --build-arg GROUP_ID=$(id -g ${USER})
+USER root
+RUN if [ ${USER_ID:-0} -ne 0 ] && [ ${GROUP_ID:-0} -ne 0 ]; then \
+    userdel -f easybuild &&\
+    if getent group easybuild ; then groupdel easybuild; fi &&\
+    groupadd -g ${GROUP_ID} easybuild &&\
+    useradd -l -u ${USER_ID} -g easybuild easybuild &&\
+    install -d -m 0755 -o easybuild -g easybuild /home/easybuild &&\
+    chown --changes --silent --no-dereference --recursive \
+          --from=1000:1000 ${USER_ID}:${GROUP_ID} \
+        /home/easybuild \
+        /scratch \
+        /easybuild \
+;fi
+# switch to 'easybuild' user
+USER easybuild
+# make sure we start in /home/easybuild rather than / when shell in started in container
+WORKDIR /home/easybuild

alma8-eb-test/EasyBuild-develop.eb

+# to install, use: eb --force-download --try-software-version $(date '+%Y%m%d') EasyBuild-develop.eb
+easyblock = 'EB_EasyBuildMeta'
+name = 'EasyBuild'
+version = '0.0.0'
+versionsuffix = '-dev'
+homepage = 'https://easybuilders.github.io/easybuild'
+description = """EasyBuild is a software build and installation framework
+ written in Python that allows you to install software in a structured,
+ repeatable and robust way."""
+toolchain = SYSTEM
+sources = [
+    {
+        'source_urls': ['https://github.com/easybuilders/easybuild-framework/archive/'],
+        'download_filename': 'develop.tar.gz',
+        'filename': 'easybuild-framework-develop.tar.gz',
+    },
+    {
+        'source_urls': ['https://github.com/easybuilders/easybuild-easyblocks/archive/'],
+        'download_filename': 'develop.tar.gz',
+        'filename': 'easybuild-easyblocks-develop.tar.gz',
+    },
+    {
+        'source_urls': ['https://github.com/easybuilders/easybuild-easyconfigs/archive/'],
+        'download_filename': 'develop.tar.gz',
+        'filename': 'easybuild-easyconfigs-develop.tar.gz',
+    },
+]
+# order matters a lot, to avoid having dependencies auto-resolved (--no-deps easy_install option doesn't work?)
+# EasyBuild is a (set of) Python packages, so it depends on Python
+# usually, we want to use the system Python, so no actual Python dependency is listed
+allow_system_deps = [('Python', SYS_PYTHON_VERSION)]
+local_pyshortver = '.'.join(SYS_PYTHON_VERSION.split('.')[:2])
+sanity_check_paths = {
+    'files': ['bin/eb'],
+    'dirs': ['lib/python%s/site-packages' % local_pyshortver],
+}
+moduleclass = 'tools'