Git Complete Guide
Master Git and GitHub workflows for collaborative DevOps delivery.
Progress Level
Beginner (33%)
Estimated Time
Reading time: 8 minutes
Skill Outcome
Branching strategy
Primary keyword: git complete guide for devops | Secondary: git github for beginners, devops git workflow
A. Quick Clarity (2-3 min read)
What is this topic? Git Complete Guide
Why important? Master Git and GitHub workflows for collaborative DevOps delivery.
Where used? Production systems on cloud platforms like Amazon Web Services, with containers and orchestration.
What you will learn? Core concept, practical flow, troubleshooting, and interview-ready understanding.
Cloud example: Amazon Web Services (AWS)
B. Concept Explanation
Core idea: Workflow.
Analogy: Think of DevOps as a delivery highway where code moves from idea to production with checkpoints.
Architecture flow: User -> Application -> Container -> Kubernetes -> Cloud -> Monitoring
- Branching strategy
- Pull requests
- Merge conflict resolution
C. Practical Section
Hands-on commands and examples for real usage.
Command Table
git status
npm test
curl -I http://localhost:3000/health
D. Real DevOps Context
- Used in production delivery pipelines and cloud operations.
- Common platforms: Amazon Web Services, Docker, Kubernetes.
- Common mistake: jumping to advanced tools before concept clarity.
- Industry use: teams use this to improve release speed and reliability.
E. Troubleshooting
CrashLoopBackOff
Why it happens: Container startup failed due to missing env/config dependency.
How to fix: kubectl get pods | kubectl describe pod <pod> | kubectl logs <pod> --previous
502 Bad Gateway
Why it happens: Upstream app process not listening on expected port.
How to fix: sudo nginx -t | ss -lntp | curl -I http://localhost:<port>
High CPU
Why it happens: Hot endpoint and insufficient resource limits.
How to fix: top | ps aux --sort=-%cpu | head | kubectl top pod
F. Mini Practice Task
Try this now: Create a mini project branch, commit a change, and open a pull request with notes.
Workflow
- Branching strategy
- Pull requests
- Merge conflict resolution
FAQ
Why is Git important in DevOps?
Git is the source of truth for code, pipeline config, and infrastructure definitions.