Dockerfile

FROM ubuntu:22.04

ARG RUNNER_VERSION="2.314.1"

# Prevents installdependencies.sh from prompting the user and blocking the image creation
ARG DEBIAN_FRONTEND=noninteractive

RUN apt update -y && apt upgrade -y && useradd -m docker
RUN apt install -y --no-install-recommends \
    curl jq build-essential libssl-dev libffi-dev python3 python3-venv python3-dev python3-pip libdigest-sha-perl git

# since the config and run script for actions are not allowed to be run by root,
# set the user to "docker" so all subsequent commands are run as the docker user
USER docker
WORKDIR /home/docker

RUN mkdir actions-runner && cd actions-runner
ADD --chown=docker:docker https://github.com/actions/runner/releases/download/v${RUNNER_VERSION}/actions-runner-linux-x64-${RUNNER_VERSION}.tar.gz /home/docker/actions-runner

RUN tar xzf /home/docker/actions-runner/actions-runner-linux-x64-${RUNNER_VERSION}.tar.gz -C /home/docker/actions-runner

USER root
RUN /home/docker/actions-runner/bin/installdependencies.sh

USER docker
COPY --chown=docker:docker start.sh start.sh

# make the script executable
RUN chmod +x start.sh

ENTRYPOINT ["./start.sh"]