Dockerfile

# base image
FROM ubuntu:22.04

#input GitHub runner version argument
ARG RUNNER_VERSION
ENV DEBIAN_FRONTEND=noninteractive
ENV GH_TOKEN=GH_USER_TOKEN_SECRET

LABEL BaseImage="ubuntu:22.04"
LABEL RunnerVersion=${RUNNER_VERSION}

# update the base packages + add a non-sudo user
RUN apt-get update -y && apt-get upgrade -y && useradd -m docker

# install the packages and dependencies along with jq so we can parse JSON (add additional packages as necessary)
RUN apt-get install -y --no-install-recommends \
    curl nodejs wget unzip vim git jq build-essential libssl-dev libffi-dev python3 python3-venv python3-dev python3-pip libpq-dev
    # curl nodejs wget unzip vim git azure-cli jq build-essential libssl-dev libffi-dev python3 python3-venv python3-dev python3-pip

# install docker
# https://github.com/HomeLabHQ/runner/tree/main
# ...

# cd into the user directory, download and unzip the github actions runner
RUN cd /home/docker && mkdir actions-runner && cd actions-runner \
    && curl -O -L https://github.com/actions/runner/releases/download/v${RUNNER_VERSION}/actions-runner-linux-x64-${RUNNER_VERSION}.tar.gz \
    && tar xzf ./actions-runner-linux-x64-${RUNNER_VERSION}.tar.gz

# install some additional dependencies
RUN chown -R docker ~docker && /home/docker/actions-runner/bin/installdependencies.sh

# add over the start.sh script
ADD scripts/start.sh start.sh

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

# set the user to "docker" so all subsequent commands are run as the docker user
USER docker

# set the entrypoint to the start.sh script
ENTRYPOINT ["./start.sh"]