Gihub Archives - For all your terraform needs https://terraformarchitect.com/category/gihub/ Automation cannot be an afterthought (TM) Wed, 24 Jul 2024 18:05:36 +0000 en-US hourly 1 https://wordpress.org/?v=6.5.5 GitHub Actions versus GitLab CI/CD https://terraformarchitect.com/gitlab/github-versus-gitlab/?utm_source=rss&utm_medium=rss&utm_campaign=github-versus-gitlab https://terraformarchitect.com/gitlab/github-versus-gitlab/#respond Thu, 13 Jun 2024 14:31:15 +0000 https://terraformarchitect.com/?p=367 GitHub Actions and GitLab CI/CD are both popular tools used for Continuous Integration (CI) and Continuous Deployment (CD) in software development. They automate the process of building, testing, and deploying […]

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GitHub Actions and GitLab CI/CD are both popular tools used for Continuous Integration (CI) and Continuous Deployment (CD) in software development. They automate the process of building, testing, and deploying code. Here’s an explanation of each and a comparison between them.

GitHub Actions

GitHub Actions is a CI/CD and automation tool integrated into GitHub. It allows you to automate workflows directly from your GitHub repository. Workflows are defined in YAML files located in the .github/workflows directory of the repository.

Key Features:

  • Integration: Deep integration with GitHub repositories and services.
  • Workflows: Defined as YAML files, specifying jobs and steps.
  • Jobs and Steps: Jobs can run on different runners (e.g., Linux, Windows, macOS) and consist of steps that execute commands or actions.
  • Actions: Reusable units of code that can be combined to create a workflow. They can be created by the community or custom-made.
  • Marketplace: A vast repository of pre-built actions created by the GitHub community.
  • Matrix Builds: Allows running jobs in parallel with different configurations (e.g., testing against multiple versions of a language).

Example Workflow:

yaml

name: CI

on: [push, pull_request]

jobs:
build:
runs-on: ubuntu-latest
strategy:
matrix:
node-version: [10, 12, 14]

steps:
- name: Checkout code
uses: actions/checkout@v2

- name: Set up Node.js
uses: actions/setup-node@v2
with:
node-version: ${{ matrix.node-version }}

- name: Install dependencies
run: npm install

- name: Run tests
run: npm test

GitLab CI/CD

GitLab CI/CD is a part of GitLab, a web-based DevOps lifecycle tool that provides a Git repository manager. GitLab CI/CD allows you to define and run CI/CD pipelines using .gitlab-ci.yml files in the repository.

Key Features:

  • Integration: Built into GitLab, providing seamless integration with GitLab repositories.
  • Pipelines: Defined in YAML files, containing stages, jobs, and steps.
  • Stages and Jobs: Pipelines are divided into stages (e.g., build, test, deploy), and each stage contains jobs that run in parallel.
  • Runners: Agents that run the jobs, which can be shared or specific to a project/group.
  • Auto DevOps: Predefined CI/CD configurations for common languages and frameworks.
  • Docker Integration: Strong support for Docker, including building and pushing Docker images.

Example Pipeline:

yaml

stages:
- build
- test
- deploy

build:
stage: build
script:
- npm install
- npm run build

test:
stage: test
script:
- npm test

deploy:
stage: deploy
script:
- echo "Deploying to production..."
only:
- master

Comparison Between GitHub Actions and GitLab CI/CD

Feature GitHub Actions GitLab CI/CD
Integration Deeply integrated with GitHub Deeply integrated with GitLab
Configuration .github/workflows/*.yml files .gitlab-ci.yml file
Runners Hosted by GitHub or self-hosted Hosted by GitLab or self-hosted
Marketplace Extensive marketplace for actions Fewer community-contributed scripts
Workflow Jobs and steps within workflows Stages and jobs within pipelines
Ease of Use Simple setup for GitHub users Simple setup for GitLab users
Flexibility Highly flexible with custom actions Flexible with strong Docker support
Auto DevOps No equivalent feature Built-in Auto DevOps for common setups
Matrix Builds Native support Can be achieved using custom scripts
Artifacts Supported Supported
Security GitHub’s security features GitLab’s security features

Summary

  • GitHub Actions is ideal for projects already hosted on GitHub, providing a rich set of features and a large marketplace of actions.
  • GitLab CI/CD is best for projects hosted on GitLab, offering strong integration with GitLab’s features and extensive support for Docker.

Both tools are powerful and can handle complex CI/CD workflows, but the choice between them often comes down to the platform your repository is hosted on and the specific features you need.

Basic Git commands

  • git init
  • git status
  • git checkout -b <branch-name>
  • git add
  • git commit -m "your message goes here"
  • git remote add
  • git push
  • git pull
  • git clone

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