circleci

1# CircleCI
2 
3Build, test, and deploy applications using CircleCI's cloud-native CI/CD platform.
4 
5## When to Use This Skill
6 
7Use this skill when:
8- Setting up CI/CD pipelines with CircleCI
9- Using orbs for reusable configuration
10- Optimizing build times with caching and parallelism
11- Configuring CircleCI workflows and approvals
12- Managing CircleCI contexts and secrets
13 
14## Prerequisites
15 
16- CircleCI account connected to repository
17- Project enabled in CircleCI dashboard
18- Basic YAML understanding
19 
20## Configuration File
21 
22Create `.circleci/config.yml`:
23 
24```yaml
25version: 2.1
26 
27orbs:
28  node: circleci/node@5.2
29  docker: circleci/docker@2.4
30 
31executors:
32  default:
33    docker:
34      - image: cimg/node:20.10
35    working_directory: ~/project
36 
37jobs:
38  build:
39    executor: default
40    steps:
41      - checkout
42      - node/install-packages:
43          pkg-manager: npm
44      - run:
45          name: Build application
46          command: npm run build
47      - persist_to_workspace:
48          root: .
49          paths:
50            - dist
51 
52  test:
53    executor: default
54    steps:
55      - checkout
56      - node/install-packages:
57          pkg-manager: npm
58      - run:
59          name: Run tests
60          command: npm test
61 
62  deploy:
63    executor: default
64    steps:
65      - checkout
66      - attach_workspace:
67          at: .
68      - run:
69          name: Deploy
70          command: ./deploy.sh
71 
72workflows:
73  build-test-deploy:
74    jobs:
75      - build
76      - test:
77          requires:
78            - build
79…