Git history cleanup, large files and repository size

AZ-400 · Design and implement a source control strategy · Updated

Remove secrets and large files from Git history, use Git LFS, shallow clones and git gc, and pick the right command for each task.

This lesson is part of full AZ-400 access

The first 2 AZ-400 lessons are free. Full access opens every lesson with its practice questions, and the exam-style AZ-400 question bank.

In this lesson
  • Undoing versus rewriting
  • Garbage collection
  • Large files
  • Submodules and subtrees
  • Removing secrets
  • Exam traps
  • Practice questions

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AZ-400 course outline

All 7 lessons · Course overview
  1. Azure Boards, work item links and flow metricsConfigure processes and communications Free
  2. Branch protection, pull requests and code ownersDesign and implement a source control strategy Free
  3. Git history cleanup, large files and repository sizeDesign and implement a source control strategy Full access
  4. YAML pipelines, agents, triggers and templatesDesign and implement build and release pipelines Full access
  5. Deployment strategies, environments and approvalsDesign and implement build and release pipelines Full access
  6. Secrets, managed identities and code scanningDevelop a security and compliance plan Full access
  7. Application Insights, alerts and KQLImplement an instrumentation strategy Full access