Lessons Learned from 29 Days of GitOps: Best Practices and Mistakes to Avoid

Most developers think Git is just: git add git commit git push But in real engineering teams, Git is not a tool — it’s an architecture for collaboration, history, and production control. If you truly want to master Git for DevOps, Cloud, or Production systems — here’s what you should actually learn: 1️⃣ 𝗚𝗶𝘁 𝗙𝗼𝘂𝗻𝗱𝗮𝘁𝗶𝗼𝗻𝘀 — 𝗨𝗻𝗱𝗲𝗿𝘀𝘁𝗮𝗻𝗱 𝗛𝗼𝘄 𝗚𝗶𝘁 𝗧𝗛𝗜𝗡𝗞𝗦 Before commands, understand the internal model: • Repository structure • Staging area vs working tree • Snapshots instead of file versions • Blobs, Trees, and Commits • How Git builds history graphs Once you understand this — merge, rebase, reset, conflicts… everything starts making sense. 2️⃣ 𝗕𝗿𝗮𝗻𝗰𝗵𝗶𝗻𝗴 & 𝗛𝗶𝘀𝘁𝗼𝗿𝘆 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 Real teams don’t work on one branch. You should know: • Branch creation & cleanup • Git diff for change tracking • Merge vs Rebase (and when each breaks history) • Squash commits for clean PRs • Tags for versioned releases Git history is your production timeline — treat it carefully. 3️⃣ 𝗥𝗲𝗮𝗹 𝗣𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻 𝗢𝗽𝗲𝗿𝗮𝘁𝗶𝗼𝗻𝘀 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝘀 𝗨𝘀𝗲 𝗗𝗮𝗶𝗹𝘆 • git stash / pop — switch tasks without losing work • git cherry-pick — move fixes across branches • git revert vs git reset — safe recovery strategies • Handling merge conflicts without panic Good engineers don’t avoid mistakes — they know how to recover fast. 4️⃣ 𝗖𝗼𝗹𝗹𝗮𝗯𝗼𝗿𝗮𝘁𝗶𝗼𝗻 & 𝗘𝗻𝘁𝗲𝗿𝗽𝗿𝗶𝘀𝗲 𝗚𝗶𝘁 𝗪𝗼𝗿𝗸𝗳𝗹𝗼𝘄 Git becomes powerful when teams scale. Learn: • Pull Request workflows • Branch protection rules • GitHub Organization RBAC • .gitignore strategy • Code review flows This is where Git turns into a team operating system. 5️⃣ 𝗣𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻 𝗠𝗶𝗻𝗱𝘀𝗲𝘁 — 𝗪𝗵𝗮𝘁 𝗠𝗼𝘀𝘁 𝗖𝗼𝘂𝗿𝘀𝗲𝘀 𝗗𝗼𝗻’𝘁 𝗧𝗲𝗮𝗰𝗵 • Git Flow vs Trunk-Based Development • Clean commit history design • Debugging broken repositories • Recovering lost commits • Understanding Git errors deeply Because in real companies, problems are never “basic”. 𝗕𝗮𝘁𝗰𝗵-𝟭𝟯 | 𝗣𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻-𝗚𝗿𝗮𝗱𝗲 𝗗𝗲𝘃𝗦𝗲𝗰𝗢𝗽𝘀 & 𝗔𝗜 𝗳𝗼𝗿 𝗗𝗲𝘃𝗢𝗽𝘀 𝗪𝗵𝗮𝘁’𝘀 𝗜𝗻𝘀𝗶𝗱𝗲: ▪️ 50+ Real-World, Production-Grade Projects ▪️ DevSecOps + Cloud DevOps + Python ▪️ AI for DevOps (MLOps, MCP, Agentic AI) ▪️ Instructor-Led Live Classes ▪️ Private Discord for Doubt Support ▪️ Career Guidance(Post Course Completion) ▪️ Resume Review+ Career Guidance ▪️ 4 Years Full Course Access 📦 𝗣𝗿𝗼𝗴𝗿𝗮𝗺 𝗗𝗲𝘁𝗮𝗶𝗹𝘀(course has started): 🕗 Live Classes: Sat & Sun | 8:00–10:00 PM IST 🎥 Mode: Live + Recordings 💰 𝗣𝗿𝗶𝗰𝗶𝗻𝗴: 💸 Course Fee: 9999rs(110$) 🎟️ Early Bird Coupons Available (Limited Time) 📎 𝗜𝗺𝗽𝗼𝗿𝘁𝗮𝗻𝘁 𝗟𝗶𝗻𝗸𝘀: 📘 Full Syllabus PDF → https://lnkd.in/gvYKJUsB 📝 Register Now → https://lnkd.in/g2fEKaZV Need help: Email: office@devopsshack.com WhatsApp: 8115430392 #Git #DevOps #CloudEngineering #GitHub #EngineeringMindset #DevOpsShack

Over the past two days, I spent time learning Git and GitHub in detail with hands-on practice. Version control is a fundamental skill for Developers, DevOps Engineers, and SREs because it helps track code changes and enables smooth collaboration. Here are some important Git commands that every developer should know 👇 📦 Repository Setup 🔹 git init → Initialize a new Git repository 🔹 git clone <repo-url> → Clone a repository from GitHub ------------------------------------------------------------------- 📂 Tracking Changes 🔹 git status → Check the current status of files 🔹 git add <file> → Add specific file to staging area 🔹 git add . → Add all files to staging ------------------------------------------------------------------- 💾 Saving Changes 🔹 git commit -m "message" → Save changes with a commit message 🔹 git log → View commit history --------------------------------------------------------------------- 🌿 Branch Management 🔹 git branch → List all branches 🔹 git branch <branch-name> → Create a new branch 🔹 git checkout <branch-name> → Switch to another branch 🔹 git checkout -b <branch-name> → Create and switch branch -------------------------------------------------------------------------- 🔀 Merging & Collaboration 🔹 git merge <branch> → Merge branches 🔹 git pull → Fetch and merge changes from remote repo 🔹 git push → Push local commits to GitHub ----------------------------------------------------------------------- 🔄 Undo & Recovery Commands 🔹 git reset → Undo commits and move HEAD 🔹 git reset --soft HEAD~1 → Undo commit but keep changes staged 🔹 git reset --hard HEAD~1 → Remove commit and changes 🔹 git revert <commit-id> → Safely reverse a commit --------------------------------------------------------------------- 🌐 Remote Repository Management 🔹 git remote add origin <repo-url> 🔹 git remote -v -------------------------------------------------------------- 🧪 Hands-on Practice I Performed: ✅ Created local repositories ✅ Managed branches and commits ✅ Practiced git reset and git revert ✅ Connected local repository with GitHub ✅ Pushed and pulled code from remote repositories #DevOps 🚀 #Git #GitHub #VersionControl #TechLearning #HandsOnPractice #ContinuousLearning #DevOpsJourney

⚡ From git init to GitOps — The Only Git + DevOps Cheat Sheet You’ll Ever Need Most developers know git add and git commit. Very few understand what happens when things break in production. This PDF is not just a Git command list. It’s a complete Git + DevOps practical guide — from basics to advanced workflows used in CI/CD, Docker, Kubernetes, and GitOps environments. If you want to move from “I use Git” to “I understand version control deeply”, this is for you. 📌 What’s inside this PDF? 🔹 Core Git Foundations Init, Clone, Add, Commit, Push, Pull Branching & Merging Staging & Reset strategies Viewing logs, diffs & commit history 🔹 Advanced Git Concepts Rebase & Interactive Rebase Cherry-pick, Bisect (bug tracking) Merge conflict strategies Reflog & history recovery Submodules & Subtrees 🔹 Power User Features Git Hooks (pre-commit, post-merge, pre-push) Aliases & Config optimization Commit signing (GPG) Clean, prune & garbage collection 🔹 Git for DevOps & CI/CD Git in CI/CD pipelines GitOps workflow Version tagging & release management Infrastructure as Code (IaC) Multi-environment deployments Docker & Kubernetes integration Rollbacks & deployment automation 💡 Why this matters In real-world engineering: Git mistakes break production Bad merges create chaos Poor branching strategy slows teams Understanding Git deeply = ✔️ Cleaner history ✔️ Safer deployments ✔️ Better collaboration ✔️ Strong DevOps credibility 📈 How to use this PDF Start with core commands Move into rebase & conflict resolution Practice rollback scenarios Study GitOps & CI/CD sections if targeting DevOps roles 🎯 Perfect for: ✔️ Backend Developers ✔️ DevOps Engineers ✔️ SDE aspirants ✔️ Engineering students ✔️ Anyone working in collaborative projects 📌 Save this — Git knowledge compounds over time 👥 Share with someone who still uses git push --force blindly Master Git once. Avoid production disasters forever. Follow Aniket Singh for more!! LinkedIn LinkedIn for Marketing LinkedIn Talent Solutions LinkedIn News LinkedIn News India Pramatma Vishwakarma Akash Keshri Aniket Raj #Git #GitHub #VersionControl #DevOps #CICD #SoftwareEngineering #BackendDeveloper #CloudComputing #Docker #Kubernetes #GitOps #InfrastructureAsCode #Programming #CodingLife #TechCareers #DeveloperCommunity #EngineeringStudents #SDE #BuildInPublic #OpenSource #Automation #ContinuousIntegration #ContinuousDelivery #TechSkills #AniketSingh

🔥 DevOps Learning Series – Day 22 to Day 28 Git & GitHub – The Backbone of Modern DevOps This week completely changed the way I look at Git. During Day 22–28, I went beyond basic commands and focused on how Git actually works internally and how it powers collaboration in real-world engineering teams. 🚀 What I Learned (With Real Understanding) 📘 Core Git Fundamentals I learned how Git actually works internally, how it stores snapshots instead of file differences, and how the three main areas work together: 🔹Working Directory (where we write code) 🔹Staging Area (where we prepare changes) 🔹Repository (where Git permanently tracks history) Understanding this flow made commands like add, commit, and log much more meaningful. 🌿 Branching & Merging in Real Projects Branching is what allows multiple developers to work safely at the same time. I practiced: 🔹Creating feature branches 🔹Switching between branches efficiently 🔹Merging changes properly 🔹Handling merge conflicts (instead of being scared of them) I also understood the difference between merge and rebase, and how each affects commit history. 🛠 Advanced Git for Production Safety I explored powerful commands like: 🔹git reset (soft, mixed, hard) to modify history 🔹git revert for safe rollbacks 🔹git stash to temporarily save work These commands showed me something important: DevOps is not about avoiding mistakes. It’s about being able to recover quickly and safely. 🚀 GitHub & DevOps Integration GitHub is not just for storing code. I learned how: 🔹Pull Requests improve code quality 🔹Code reviews create accountability 🔹Branch protection prevents accidental production pushes This is where Git connects directly to DevOps automation. Every deployment pipeline begins with a push. I’ve documented everything in detail here 👇 🔗 https://lnkd.in/g4bfCg93 Next up: Docker🚀 What was the most confusing Git concept for you when you started let me know in the comment section? #DevOps #Git #GitHub #VersionControl #LearningInPublic #CloudComputing #Automation #TechJourney #90DaysOfDevOps #DevOpsKaJosh #TrainWithShubham

Git commands you actually need (and the ones you don't) 🐙 Git has been a part of my life for four years. Without Google, I still don't understand what rebase --interactive does. This is my daily real-world Git workflow: 🚀 The Essentials (Use These Every Day) 1. Start your day git checkout main git pull origin main 2. New feature git checkout -b feature/your-feature-name 3. Check what changed git status git diff 4. Save your work git add . git commit -m "Descriptive message here" 5. Push to remote git push origin feature/your-feature-name 6. Get latest changes (while working) git pull origin main --rebase 🔥 The Fixers (When Things Go Wrong) #Oops, committed to main by accident git reset HEAD~1 #Oops, committed with wrong message git commit --amend -m "New message" #Oops, need to undo that file change git checkout -- filename.js #Oops, need to see who broke this git blame filename.js #Oops, need to temporarily hide work git stash git stash pop 💀 The ones I never use • Git cherry-pick (there's a better way 99 percent of the time) • git reflog (you already know you need this if you need it) • git bisect (great flex, but not useful for day-to-day work) • git submodule (just don't) My philosophy of Git: Make frequent commitments. every fifteen to thirty minutes. Small commits make rollbacks simple. Compose effective messages. "Fix bug" has no purpose."Fix null pointer in user login" is useful. Prior to pushing, pull. Stay informed to prevent merge conflicts. One branch for each feature. Never make a direct commit to main. The One Command That Saved My Career: git reset --hard HEAD When everything breaks and you wish you could go back to the five minutes ago when everything was working. No guilt. 👇 Which Git command do you use the most? Mine is in git status. I actually type it after everything.) #Git #Programming #DevTools #CodingTips #SoftwareEngineering

Git doesn't have to be complicated. Sometimes, the best way to understand a technical concept is through a relatable analogy. We've all been there: the delicate dance of modern relationships. Here’s how git add and git commit are just like the Talking Stage and the Hard Launch. 1. The Talking Stage: git add . Imagine you're in the early stages with someone. You take a photo together. You like it, and you think you want to share it, but you're not quite ready for the world to see. You post it to your Close Friends story. This is exactly like git add . in your terminal. You've made changes and added them to the Staging Area. They are prepared, selected, and ready for the next step, but they aren't a permanent part of your project's official history yet. If you change your mind? No problem. It's a private, reversible decision. 2. The Hard Launch: git commit -m "locked in 🔒" Now, imagine you're sure. You’ve been together for a while, and it's time to make it official. You take that same photo, write a caption, and hit the Share button for your main feed. This is your Hard Launch. It's public. It's on the record. This is git commit. You are taking the changes from your staging area and permanently saving them to the repository's history with a message. You're saying, "This is official. I'm locking this version in." Undoing it is much more complicated than just deleting a Close Friends story. From Surface-Level to Pro Mastery This analogy is a great starting point. It helps the core concepts of the staging area and the commit history "click." But if you want to go beyond the basics and become a true Git architect, you need to understand what's happening under the hood. In this course, Complete Git & GitHub Deep Dive: Zero to Architect, we don't just stop at analogies. We peel back the layers to understand the internals. You'll learn: The actual data structures Git uses (blobs, trees, commits). How Git generates those unique SHA-1 hashes for every commit. What really happens in the .git directory when you run these commands. Advanced workflows for rebasing, cherry-picking, and managing complex merge conflicts. Don't just use Git. Master it. Enroll now and move from a casual user to a Git professional: Link in the Comments! #Git #GitHub #DevOps #SoftwareEngineering #Coding #VersionControl #TechEducation #LearningAndDevelopment #CareerGrowth #DeveloperCommunity #VoidInfinity #DeepDive

Postman now makes it easier to invoke API code directly within Git workflows. This tool enables teams to manage specs, tests, and environments right alongside their source code. This streamlines development and improves visibility for AI-driven tooling—helping teams build, test, and deploy APIs faster and more efficiently. https://bit.ly/40EZufy #DevOps #APIDevelopment #Git #Postman #Automation

Postman now makes it easier to invoke API code directly within Git workflows. This tool enables teams to manage specs, tests, and environments right alongside their source code. This streamlines development and improves visibility for AI-driven tooling—helping teams build, test, and deploy APIs faster and more efficiently. https://bit.ly/40EZufy #DevOps #APIDevelopment #Git #Postman #Automation

Postman now makes it easier to invoke API code directly within Git workflows. This tool enables teams to manage specs, tests, and environments right alongside their source code. This streamlines development and improves visibility for AI-driven tooling—helping teams build, test, and deploy APIs faster and more efficiently. https://bit.ly/40EZufy #DevOps #APIDevelopment #Git #Postman #Automation

🚀 My Actual Daily Git Command Sheet (AI / DevOps Engineer Edition) After working on GenAI systems, codebases, OpenSearch setups, and cloud-native services, I’ve realized something: 👉 I don’t use “many” Git commands — I use the right ones, repeatedly. git clone <repo_url> git remote -v git checkout <branch_name> git pull origin develop git checkout -b feature/<feature-name> git status git add <file> git add -A git commit -m "Comments" git fetch origin git rebase origin/develop git rebase --continue git restore <file> git branch -a git reset --soft HEAD~1 git stash git stash pop git stash apply git log git push origin feature/<feature-name> git tag v1.x.x git push origin --tags git cherry-pick <commit> git revert <commit> # If pushed committed changes git config --global user.name git config --global user.email git remote set-url origin <new-repo-url> git merge develop --------------------------------- git branch -m new-branch-name git push origin new-branch-name git push --set-upstream origin new-branch-name git push origin --delete feature/login git branch -vv #gitlife