Creating and Using GitLab Runners and Executors
Using Docker Runner
Repeat the same procedure to create a Docker runner. The only difference is that you need to choose "Docker" as the platform when creating the runner. Use the following tag: docker.
Install Docker:
curl -fsSL https://get.docker.com -o get-docker.sh
bash get-docker.sh --version 29.2.0
Start the Docker service:
systemctl start docker
Check the status of the Docker service:
systemctl status docker
Launch the GitLab runner container:
docker run -d --name gitlab-runner --restart always \
-v /srv/gitlab-runner/config:/etc/gitlab-runner \
-v /var/run/docker.sock:/var/run/docker.sock \
gitlab/gitlab-runner:latest
Now to use the Docker runner with a specific image based on your needs. In our case the image is python:3.12. The token should be exported as an environment variable as we did before. Finally, you need to run the following command to update the runner configuration (from Linux runner to Docker runner):
gitlab-runner register \
--url https://gitlab.com/ \
--registration-token $GITLAB_RUNNER_TOKEN \
--executor docker \
--description "My Docker Runner" \
--docker-image "python:3.12" \
--non-interactive
Update the .gitlab-ci.yml file to use the Docker runner. Here is the command to do that:
cat < $HOME/todo/app/.gitlab-ci.yml && \
cd $HOME/todo/app && \
git add . && \
git commit -m "Add a GitLab CI/CD pipeline" && \
git push origin main
# Define the stages of the pipeline.
stages:
- build
- test
# Define the build stageCloud Native CI/CD with GitLab
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