ARG DISTRIB_ID=ubuntu ARG DISTRIB_RELEASE=20.04 FROM ${DISTRIB_ID}:${DISTRIB_RELEASE} # > ARGs before FROM are not accessible ARG DISTRIB_ID=ubuntu ARG DISTRIB_RELEASE=20.04 # > non-root user ARG RUNNER_USER=runner # > Node version ARG NODE_VERSION=12 # > Force apt to not be interactive/not ask ARG DEBIAN_FRONTEND=noninteractive SHELL [ "/bin/bash", "-c" ] # > Install base binutils and dependencies, setup environment required for GitHub Actions RUN set -Eeuxo pipefail && \ ImageOS=${DISTRIB_ID}$(echo ${DISTRIB_RELEASE} | cut -d'.' -f 1) && \ echo "IMAGE_OS=$ImageOS" | tee -a /etc/environment && \ echo "ImageOS=$ImageOS" | tee -a /etc/environment && \ echo "LSB_RELEASE=${DISTRIB_RELEASE}" | tee -a /etc/environment && \ AGENT_TOOLSDIRECTORY=/opt/hostedtoolcache && \ echo "AGENT_TOOLSDIRECTORY=$AGENT_TOOLSDIRECTORY" | tee -a /etc/environment && \ echo "RUNNER_USER=${RUNNER_USER}" | tee -a /etc/environment && \ echo "RUNNER_TEMP=/home/${RUNNER_USER}/work/_temp" | tee -a /etc/environment && \ echo "RUN_TOOL_CACHE=$AGENT_TOOLSDIRECTORY" | tee -a /etc/environment && \ echo "DEPLOYMENT_BASEPATH=/opt/runner" | tee -a /etc/environment && \ echo ". /etc/environment" | tee -a /etc/profile && \ mkdir -p $AGENT_TOOLSDIRECTORY && \ chown 1000:1000 $AGENT_TOOLSDIRECTORY && \ chmod 0777 $AGENT_TOOLSDIRECTORY && \ mkdir -p /github && \ chown 1000:1000 /github && \ chmod 0777 /github && \ printf "Build started" && \ apt -yq update && \ printf "Updated apt lists and upgraded packages\n\n" && \ apt -yq install --no-install-recommends lsb-release gawk jq curl git wget sudo gnupg-agent ca-certificates software-properties-common apt-transport-https zstd && \ printf "Installed base utils" # > Install Node.JS RUN set -Eeuxo pipefail && \ printf "Installing Node.JS" && \ curl -sSL https://deb.nodesource.com/gpgkey/nodesource.gpg.key | apt-key add - && \ DISTRO="$(lsb_release -s -c)" && \ echo "deb https://deb.nodesource.com/node_${NODE_VERSION}.x $DISTRO main" | tee /etc/apt/sources.list.d/nodesource.list && \ echo "deb-src https://deb.nodesource.com/node_${NODE_VERSION}.x $DISTRO main" | tee -a /etc/apt/sources.list.d/nodesource.list && \ apt -yq update && \ apt -yq install --no-install-recommends nodejs="${NODE_VERSION}*" && \ printf "Installed Node.JS $(node -v)" # > Clean up image RUN set -Eeuxo pipefail && \ printf "Cleaning image" && \ apt-get clean && \ rm -rf /var/lib/apt/lists/* && \ rm -rf /tmp/* && \ printf "Cleaned up image" # > Create non-root user RUN set -Eeuxo pipefail && \ printf "Creating non-root user" && \ groupadd -g 1000 ${RUNNER_USER} && \ useradd -u 1000 -g ${RUNNER_USER} -G sudo -m -s /bin/bash ${RUNNER_USER} && \ sed -i /etc/sudoers -re 's/^%sudo.*/%sudo ALL=(ALL:ALL) NOPASSWD: ALL/g' && \ sed -i /etc/sudoers -re 's/^root.*/root ALL=(ALL:ALL) NOPASSWD: ALL/g' && \ sed -i /etc/sudoers -re 's/^#includedir.*/## **Removed the include directive** ##"/g' && \ echo "${RUNNER_USER} ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers && \ echo "runner user: $(su - ${RUNNER_USER} -c id)" && \ printf "Created non-root user $(grep ${RUNNER_USER} /etc/passwd)" # > Home repository LABEL org.opencontainers.image.source="https://github.com/CatTheHacker/docker-images" # > Don't run as root, generally not good idea USER ${RUNNER_USER}:${RUNNER_USER} SHELL [ "/bin/bash", "--login" ] WORKDIR /home/runner # > Force bash with environment ENTRYPOINT [ "/bin/bash", "--login" ]