gitlab-org / gitlab-discussions

Overview

The CI/CD (Continuous Integration/Continuous Deployment) Workflow in the gitlab-org/gitlab-discussions project facilitates automated testing, building, and deployment of code changes. This documentation provides a step-by-step guide for setting up, using, and maintaining the CI/CD workflow within this repository.

CI/CD Setup

If there is currently no CI/CD pipeline set up in the project, it displays as not yet configured. To enable CI/CD, follow these next steps:

  1. Create a .gitlab-ci.yml file in the root of your project. This file will define the CI/CD pipeline, including all necessary jobs and stages.

  2. Define the pipeline stages. A basic example might include build, test, and deploy stages.

  3. Add jobs to the CI/CD configuration. Each job corresponds to a task within a stage. Below is an example configuration:

stages:
  - build
  - test
  - deploy

build_job:
  stage: build
  script:
    - echo "Building the application..."
    - # Add build commands here

test_job:
  stage: test
  script:
    - echo "Running tests..."
    - # Add test commands here

deploy_job:
  stage: deploy
  script:
    - echo "Deploying the application..."
    - # Add deployment commands here
  1. Commit the .gitlab-ci.yml file to trigger the pipeline. GitLab CI/CD will automatically detect the file and start the pipeline based on your configuration.

CI/CD Workflow

Once the .gitlab-ci.yml file is in place, the CI/CD workflow follows these general steps each time you push code:

  1. Code Commit: A developer commits code to the repository.

  2. Pipeline Trigger: GitLab triggers the CI/CD pipeline automatically based on the changes made.

  3. Build Stage:

    • The build_job runs and compiles the code.
    • If the job fails, the CI/CD process halts, and subsequent jobs will not run.

  4. Test Stage:

    • The test_job executes after a successful build.
    • This job runs unit tests or integration tests, ensuring that the implemented code works as intended.

  5. Deploy Stage:

    • If both the build and test stages succeed, the deploy_job executes.
    • This job is responsible for deploying the code to the necessary environment.

Example Job Configuration

Here is a more detailed job configuration to illustrate typical commands used in each stage:

build_job:
  stage: build
  image: node:14
  script:
    - npm install
    - npm run build

test_job:
  stage: test
  image: node:14
  script:
    - npm install
    - npm test

deploy_job:
  stage: deploy
  image: ruby:2.7
  script:
    - echo "Deploying to the server..."
    - curl --data "deploy=true" https://your-deploy-url.com

Monitoring Pipelines

Once set up, you can monitor pipeline runs directly from the GitLab interface. Visit the CI/CD > Pipelines section of your repository to view the status of each pipeline, see logs, and review any errors encountered during execution.

Conclusion

By following this guide, you can efficiently set up and utilize the CI/CD workflow within the gitlab-org/gitlab-discussions project. If CI/CD is not yet configured, ensure you create a .gitlab-ci.yml file and define your pipeline stages and jobs as needed.

References

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