DevOps Classroomnotes 09/Sep/2022

Git

• Watch the classroom video for some references in this document

Scenario -1: For CI/CD Pipelines

• Developer’s View:
  • Created/used the repository
  • Added changes
  • pushed changes
• DevOps View:
  • Consider the change pushed at start creating
    • packages
    • sending packages to package repository
    • Create various test environments
    • Run automated tests
    • At any point if any thing fails notify the whole team.
• Refer Here

Scenario 2: Creating Reusable assets as DevOps Engineer

• Refer Here for the dummy repo created

First Steps into Git

• Installing Git: Refer previous classroom notes
• Verifying if the git is installed or not git --version
  
• The first step in Git is to create a local repository.
  • Create empty folder
  • cd into it
  • execute init command git init
    
• Best approach:
  • Start using cheatsheets
  • Refer Here for the sample cheatsheet.
• Lets add a file to the repository
  
  

Three Areas of Git

• In the local repo or local system which represents a developer’s system, We have three areas
  • Working Tree: This is where we make changes
  • Staging area: This is intermediate area before sending changes to local repo
  • Local Repo: Once the change is in local repo it will have history