85 lines
2.4 KiB
Markdown
85 lines
2.4 KiB
Markdown
# Circle CI
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## Circle CI Questions
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### Circle CI 101
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<details>
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<summary>What is Circle CI?</summary><br><b>
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[Circle CI](https://circleci.com): "CircleCI is a continuous integration and continuous delivery platform that can be used to implement DevOps practices."
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</b></details>
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<details>
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<summary>What are some benefits of Circle CI?</summary><br><b>
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[Circle CI Docs](https://circleci.com/docs/about-circleci): "SSH into any job to debug your build issues.
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Set up parallelism in your .circleci/config.yml file to run jobs faster.
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Configure caching with two simple keys to reuse data from previous jobs in your workflow.
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Configure self-hosted runners for unique platform support.
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Access Arm resources for the machine executor.
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Use orbs, reusable packages of configuration, to integrate with third parties.
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Use pre-built Docker images in a variety of languages.
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Use the API
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to retrieve information about jobs and workflows.
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Use the CLI to access advanced tools locally.
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Get flaky test detection with test insights."
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</b></details>
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<details>
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<summary>Explain the following:
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* Pipeline
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* Workflow
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* Jobs
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* Steps
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</summary><br><b>
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* Pipeline: the entire CI/CD configuration (.circleci/config.yaml)
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* Workflow: primarily used when there is more than one job in the configuration to orchestrate the workflows
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* Jobs: One or more steps to execute as part of the CI/CD process
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* Steps: The actual commands to execute
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</b></details>
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<details>
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<summary>What is an Orb?</summary><br><b>
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[Circle CI Docs](https://circleci.com/developer/orbs): "Orbs are shareable packages of CircleCI configuration you can use to simplify your builds"
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They can come from the public registry or defined privately as part of an organization.
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</b></details>
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### Circle CI Hands-On 101
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<details>
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<summary>Where (in what location in the project) Circle CI pipelines are defined?</summary><br><b>
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`.circleci/config.yml`
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</b></details>
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<details>
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<summary>Explain the following configuration file
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```
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version: 2.1
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jobs:
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say-hello:
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docker:
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- image: cimg/base:stable
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steps:
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- checkout
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- run:
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name: "Say hello"
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command: "echo Hello, World!"
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workflows:
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say-hello-workflow:
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jobs:
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- say-hello
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```
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</summary><br><b>
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This configuration file will set up one job that will checkout the code of the project will run the command `echo Hello, World!`.
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It will run in a container using the image `cimg/base:stable`.
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</b></details> |