Dockerfile

# base
FROM ubuntu:22.04

# set the github runner version
ARG RUNNER_VERSION="2.311.0"

ENV TZ=Europe/Lisbon
RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
ARG DEBIAN_FRONTEND=noninteractive

# install python and the packages the your code depends on along with jq so we can parse JSON
# add additional packages as necessary
RUN set -ex; \
    apt-get update; \
    apt-get upgrade -y; \
    apt-get install -y --no-install-recommends \
    git git-lfs curl jq gnupg lsb-release build-essential libssl-dev libffi-dev python3 python3-venv python3-dev apt-transport-https ca-certificates curl software-properties-common;

RUN useradd -m docker; \
    usermod -a -G root docker;

RUN curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -; \
    add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu jammy stable"; \
    apt-get update; \
    apt-get install docker-ce-cli -y;

# 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

# copy over the start.sh script
COPY start.sh start.sh

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

# 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

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