gitlab-ci

1# GitLab CI/CD
2 
3Automate your software delivery pipeline with GitLab's integrated CI/CD system.
4 
5## When to Use This Skill
6 
7Use this skill when:
8- Setting up CI/CD pipelines in GitLab
9- Configuring GitLab runners (shared or self-hosted)
10- Creating multi-stage deployment pipelines
11- Implementing GitLab Auto DevOps
12- Managing CI/CD variables and secrets
13 
14## Prerequisites
15 
16- GitLab repository (gitlab.com or self-hosted)
17- Basic understanding of YAML
18- For self-hosted runners: Linux server or Kubernetes cluster
19 
20## Pipeline Configuration
21 
22Create `.gitlab-ci.yml` in repository root:
23 
24```yaml
25stages:
26  - build
27  - test
28  - deploy
29 
30variables:
31  NODE_VERSION: "20"
32 
33build:
34  stage: build
35  image: node:${NODE_VERSION}
36  script:
37    - npm ci
38    - npm run build
39  artifacts:
40    paths:
41      - dist/
42    expire_in: 1 hour
43 
44test:
45  stage: test
46  image: node:${NODE_VERSION}
47  script:
48    - npm ci
49    - npm test
50  coverage: '/Coverage: \d+\.\d+%/'
51 
52deploy:
53  stage: deploy
54  script:
55    - ./deploy.sh
56  environment:
57    name: production
58    url: https://example.com
59  only:
60    - main
61```
62 
63## Job Configuration
64 
65### Rules-Based Execution
66 
67```yaml
68deploy:
69  script: ./deploy.sh
70  rules:
71    - if: $CI_COMMIT_BRANCH == "main"
72      when: manual
73    - if: $CI_PIPELINE_SOURCE == "merge_request_event"
74      when: never
75    - when: on_success
76```
77 
78### Parallel Jobs
79 
80```yaml
81test:
82  stage: test
83  parallel: 3
84  script:
85    - npm test -- --shard=$CI_NODE_INDEX/$CI_NODE_TOTAL
86```
87 
88### Matrix Builds
89…