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+---
+stage: Verify
+group: Continuous Integration
+info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
+type: reference
+---
+
+# Get started with GitLab CI/CD **(FREE)**
+
+Use this document to get started with
+GitLab [continuous integration](https://about.gitlab.com/stages-devops-lifecycle/continuous-integration/).
+
+Before you start, make sure you have:
+
+- A project in GitLab that you would like to use CI/CD for.
+- Maintainer or owner access for the project.
+
+If you are migrating from another CI/CD tool, view this documentation:
+
+- [Migrate from CircleCI](../migration/circleci.md).
+- [Migrate from Jenkins](../migration/jenkins.md).
+
+## CI/CD process overview
+
+To use GitLab CI/CD:
+
+1. [Ensure you have runners available](#ensure-you-have-runners-available) to run your jobs.
+   If you don't have a runner, [install GitLab Runner](https://docs.gitlab.com/runner/install/)
+   and [register a runner](https://docs.gitlab.com/runner/register/) for your instance, project, or group.
+1. [Create a `.gitlab-ci.yml` file](#create-a-gitlab-ciyml-file)
+   at the root of your repository. This file is where you define your CI/CD jobs.
+
+When you commit the file to your repository, the runner runs your jobs.
+The job results [are displayed in a pipeline](#view-the-status-of-your-pipeline-and-jobs).
+
+### Ensure you have runners available
+
+In GitLab, runners are agents that run your CI/CD jobs.
+
+You might already have runners available for your project, including
+[shared runners](../runners/README.md#shared-runners), which are
+available to all projects in your GitLab instance.
+
+To view available runners:
+
+- Go to **Settings > CI/CD** and expand **Runners**.
+
+As long as you have at least one runner that's active, with a green circle next to it,
+you have a runner available to process your jobs.
+
+If no runners are listed on the **Runners** page in the UI, you or an administrator
+must [install GitLab Runner](https://docs.gitlab.com/runner/install/) and
+[register](https://docs.gitlab.com/runner/register/) at least one runner.
+
+If you are testing CI/CD, you can install GitLab Runner and register runners on your local machine.
+When your CI/CD jobs run, they run on your local machine.
+
+### Create a `.gitlab-ci.yml` file
+
+The `.gitlab-ci.yml` file is a [YAML](https://en.wikipedia.org/wiki/YAML) file where
+you configure specific instructions for GitLab CI/CD.
+
+In this file, you define:
+
+- The structure and order of jobs that the runner should execute.
+- The decisions the runner should make when specific conditions are encountered.
+
+For example, you might want to run a suite of tests when you commit to
+any branch except `master`. When you commit to `master`, you want
+to run the same suite, but also publish your application.
+
+All of this is defined in the `.gitlab-ci.yml` file.
+
+To create a `.gitlab-ci.yml` file:
+
+1. Go to **Project overview > Details**.
+1. Above the file list, select the branch you want to commit to,
+   click the plus icon, then select **New file**:
+
+   ![New file](img/new_file_v13_6.png)
+
+1. For the **Filename**, type `.gitlab-ci.yml` and in the larger window,
+   paste this sample code:
+
+   ```yaml
+   build-job:
+     stage: build
+     script:
+       - echo "Hello, $GITLAB_USER_LOGIN!"
+
+   test-job1:
+     stage: test
+     script:
+       - echo "This job tests something"
+
+   test-job2:
+     stage: test
+     script:
+       - echo "This job tests something, but takes more time than test-job1."
+       - echo "After the echo commands complete, it runs the sleep command for 20 seconds"
+       - echo "which simulates a test that runs 20 seconds longer than test-job1"
+       - sleep 20
+
+   deploy-prod:
+     stage: deploy
+     script:
+       - echo "This job deploys something from the $CI_COMMIT_BRANCH branch."
+   ```
+
+   `$GITLAB_USER_LOGIN` and `$CI_COMMIT_BRANCH` are
+   [predefined variables](../variables/predefined_variables.md)
+   that populate when the job runs.
+
+1. Click **Commit changes**.
+
+The pipeline starts when the commit is committed.
+
+#### `.gitlab-ci.yml` tips
+
+- If you want the runner to use a Docker image to run the jobs, edit the `.gitlab-ci.yml` file
+  to include your image name:
+
+  ```yaml
+  default:
+    image: ruby:2.7.2
+  ```
+
+  This command tells the runner to use a Ruby image from Docker Hub.
+
+- To validate your `.gitlab-ci.yml` file, use the
+  [CI Lint tool](../lint.md), which is available in every project.
+- You can also use [CI/CD configuration visualization](../pipeline_editor/index.md#visualize-ci-configuration) to
+  view a graphical representation of your `.gitlab-ci.yml` file.
+- For the complete `.gitlab-ci.yml` syntax, see
+  [the `.gitlab-ci.yml` reference topic](../yaml/README.md).
+
+### View the status of your pipeline and jobs
+
+When you committed your changes, a pipeline started.
+
+To view your pipeline:
+
+- Go **CI/CD > Pipelines**.
+
+  A pipeline with three stages should be displayed:
+
+  ![Three stages](img/three_stages_v13_6.png)
+
+- To view a visual representation of your pipeline, click the pipeline ID.
+
+  ![Pipeline graph](img/pipeline_graph_v13_6.png)
+
+- To view details of a job, click the job name, for example, `deploy-prod`.
+
+  ![Job details](img/job_details_v13_6.png)
+
+If the job status is `stuck`, check to ensure a runner is probably configured for the project.