GitLab CI - Job Configuration

Configure GitLab CI jobs with proper scripts, environments, and execution settings.

Basic Job Structure

job_name:
  stage: test
  image: node:20-alpine
  before_script:
    - npm ci
  script:
    - npm test
  after_script:
    - echo "Cleanup tasks"
  rules:
    - if: $CI_COMMIT_BRANCH == "main"