💵𝗜 𝘄𝗮𝘀𝘁𝗲𝗱 𝟯 𝗺𝗼𝗻𝘁𝗵𝘀 𝘀𝗲𝘁𝘁𝗶𝗻𝗴 𝘂𝗽 𝗖𝗜/𝗖𝗗 𝘁𝗵𝗲 𝘄𝗿𝗼𝗻𝗴 𝘄𝗮𝘆.

🔜 𝗛𝗲𝗿𝗲’𝘀 𝘁𝗵𝗲 𝗽𝗶𝗽𝗲𝗹𝗶𝗻𝗲 𝗜 𝘄𝗶𝘀𝗵 𝘀𝗼𝗺𝗲𝗼𝗻𝗲 𝗴𝗮𝘃𝗲 𝗺𝗲 𝗼𝗻 𝗱𝗮𝘆 𝗼𝗻𝗲 ⬇️


😩 The Pain No One Warned Me About:

When I started learning DevOps, I thought CI/CD was simple:

“Push code → Auto-deploy → Done.”

But what I built was a disaster pipeline:

🧨 Broken code straight to production
🤷‍♂️♂️ No automated tests
😳 No rollback — just panic
🔐 Secrets hardcoded in .env files

I wasn’t building pipelines.
𝗜 𝘄𝗮𝘀 𝗯𝘂𝗶𝗹𝗱𝗶𝗻𝗴 𝗹𝗮𝗻𝗱𝗺𝗶𝗻𝗲𝘀.


💡 𝗪𝗵𝗮𝘁 𝗥𝗲𝗮𝗹 𝗗𝗲𝘃𝗢𝗽𝘀 𝗧𝗮𝘂𝗴𝗵𝘁 𝗠𝗲:

A real CI/CD pipeline doesn’t just ship code.
𝗜𝘁 𝗽𝗿𝗼𝘁𝗲𝗰𝘁𝘀 𝘆𝗼𝘂𝗿 𝘁𝗲𝗮𝗺 — 𝗮𝗻𝗱 𝘆𝗼𝘂𝗿 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻 𝗲𝗻𝘃𝗶𝗿𝗼𝗻𝗺𝗲𝗻𝘁.

Here’s what it MUST include (with tools):

✅ 𝗟𝗶𝗻𝘁𝗶𝗻𝗴 & 𝘀𝘁𝗮𝘁𝗶𝗰 𝗮𝗻𝗮𝗹𝘆𝘀𝗶𝘀
→ ESLint, Pylint, Checkov

✅ 𝗦𝗲𝗰𝗿𝗲𝘁 𝘀𝗰𝗮𝗻𝗻𝗶𝗻𝗴
→ Gitleaks, TruffleHog

✅ 𝗨𝗻𝗶𝘁 & 𝗶𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 𝘁𝗲𝘀𝘁𝗶𝗻𝗴
→ pytest, Jest, Postman/Newman

✅ 𝗦𝗲𝗰𝘂𝗿𝗲 𝗗𝗼𝗰𝗸𝗲𝗿 𝗯𝘂𝗶𝗹𝗱𝘀
→ Snyk, Docker Slim, Trivy

✅ 𝗔𝘂𝘁𝗼-𝗱𝗲𝗽𝗹𝗼𝘆 𝘁𝗼 𝘀𝘁𝗮𝗴𝗶𝗻𝗴
→ GitHub Actions / GitLab CI → EKS / ECS / AKS

✅ 𝗠𝗮𝗻𝘂𝗮𝗹 𝗮𝗽𝗽𝗿𝗼𝘃𝗮𝗹 𝗳𝗼𝗿 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻
→ Prevent bad deploys under pressure

✅ 𝗥𝗼𝗹𝗹𝗯𝗮𝗰𝗸 𝗹𝗼𝗴𝗶𝗰
→ Helm, ArgoCD, Terraform state management

✅ 𝗦𝗲𝗰𝗿𝗲𝘁 𝗺𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁
→ AWS Secrets Manager, Vault, Doppler

Most beginner tutorials skip this.
But real-world DevOps teams depend on it.


💡 Join the channel now and start your DevOps journey with confidence:
📎 t.me/DevOpsClassroom

➡️ If you want to become good at AWS, then learn these use cases:


1️⃣ AWS VPC Gateway Endpoints - The Most Underrated Cost Savers
https://lnkd.in/g7-CUNfZ

2️⃣ How to Use S3 Buckets Securely for Public Data Storage
https://lnkd.in/gUJ7c_-R

3️⃣ How a security researcher Exposed AWS Keys and API Secrets of $1B VC Firm in 5 Clicks
https://lnkd.in/g_cmgR7D

4️⃣ How GuardDuty Protects S3 from Malware
https://lnkd.in/gF6u4533

5️⃣ How Canva Migrated 100M+ MAU Data with Zero Downtime Using DMS
https://lnkd.in/g_shQsGk

6️⃣ Solve AWS Lambda Cost-Performance Imbalance with Power Tuning
https://lnkd.in/gmyKXf_6

7️⃣ AWS Lambda Integration Patterns with SQS and SNS
https://lnkd.in/gcvhvXbr

8️⃣ How Provisioned Concurrency Cut AWS Lambda Cold Starts by 98%
https://lnkd.in/gkjzhEsv


💡 Join the channel now and start your DevOps journey with confidence:
📎 t.me/DevOpsClassroom

⏩ 𝗧𝗼𝗽 𝟳 𝗗𝗲𝗺𝗼 𝗔𝗽𝗽𝘀 𝗳𝗼𝗿 𝗥𝗲𝗮𝗹-𝗪𝗼𝗿𝗹𝗱 𝗗𝗲𝘃𝗢𝗽𝘀 𝗣𝗿𝗮𝗰𝘁𝗶𝗰𝗲 ⏪


1️⃣. 𝗢𝗽𝗲𝗻𝗧𝗲𝗹𝗲𝗺𝗲𝘁𝗿𝘆 𝗗𝗲𝗺𝗼 : https://lnkd.in/g9nGaNUG
→ Perfect for mastering metrics, traces, logs with Grafana, Prometheus, and Loki.

2️⃣. 𝗠𝗶𝗰𝗿𝗼𝘀𝗲𝗿𝘃𝗶𝗰𝗲𝘀 𝗗𝗲𝗺𝗼 (𝗚𝗼𝗼𝗴𝗹𝗲 𝗖𝗹𝗼𝘂𝗱 𝗣𝗹𝗮𝘁𝗳𝗼𝗿𝗺) : https://lnkd.in/ghqV2MVS
→ Frontend, backend, checkout, databases — a real full-stack microservices setup.

3️⃣. 𝗲𝗦𝗵𝗼𝗽 : https://lnkd.in/geRNcnme
→ Microservices Perfect for mastering real-world CI/CD, Kubernetes, Terraform, Azure DevOps, and AWS deployments.

4️⃣. 𝗕𝗮𝗻𝗸 𝗼𝗳 𝗔𝗻𝘁𝗵𝗼𝘀 : https://lnkd.in/g-ZEpsi6
→ Cloud-native app designed for Kubernetes, GKE, multi-environment deployments.

5️⃣. 𝗩𝗼𝘁𝗲 𝗔𝗽𝗽 (𝗗𝗼𝗰𝗸𝗲𝗿 𝗩𝗼𝘁𝗶𝗻𝗴 𝗔𝗽𝗽) : https://lnkd.in/gQ_Jz2qe
→ Ideal to learn Docker Compose → Kubernetes migration → Load balancing.

6️⃣. 𝗣𝗲𝘁𝗖𝗹𝗶𝗻𝗶𝗰 (𝗦𝗽𝗿𝗶𝗻𝗴 𝗕𝗼𝗼𝘁 𝗔𝗽𝗽) : https://lnkd.in/gvU_afDB
→ Best for traditional CI/CD pipelines — migrate legacy apps into the cloud.

7️⃣. 𝗣𝗼𝗱𝗶𝗻𝗳𝗼 𝗔𝗽𝗽 : https://lnkd.in/gTdgcmtm
→ Lightweight app to practice real-world monitoring, alerting, and observability.

8️⃣. 𝗥𝗼𝗯𝗼𝘁 𝗦𝗵𝗼𝗽 : https://lnkd.in/gvf-Ntk8
→ A fully containerised microservices-based e-commerce app, built to simulate real-world production loads.


✈️ Join the channel now and start your DevOps journey with confidence:
📎 t.me/DevOpsClassroom

😫 “Do I really need to learn all of this just to become a DevOps engineer?”

Docker. AWS. GCP. Azure. GitHub Actions. GitLab. Jenkins. Terraform. Pulumi. Ansible. Prometheus. Grafana. Loki. Datadog. OpenTelemetry. EKS…

Every week, the list grows.
And so does the overwhelm.

Spoiler: You don’t.
In fact, many companies don’t even know half the tools you’re burning out trying to learn.

Here’s the truth nobody told me:

💡 Don’t chase tools. Master concepts.

Tools come and go.
Concepts stay the same.

When you know the why, learning the how becomes easy.

🔥 Here’s a real-world DevOps roadmap I wish I followed earlier:

🔹 1. Linux
→ Every CI/CD tool, container, and cluster runs on it
→ Learn bash, permissions, networking, and logs

🔹 2. CI/CD
→ Pick one: GitHub Actions or GitLab CI
→ Learn how to automate build → test → deploy

🔹 3. IaC (Infrastructure as Code)
→ Terraform is 🔑
→ Focus on logic and structure, not memorizing syntax

🔹 4. Cloud (Pick ONE)
→ AWS, GCP, or Azure
→ Learn VPCs, compute, IAM, Kubernetes basics
→ Multi-cloud will come naturally later

🔹 5. Kubernetes (Deeply)
→ Don’t just memorize kubectl
→ Understand Pods, Services, HPA, Ingress, and networking
→ Break it, fix it, repeat

🔹 6. Ansible
→ IaC sets it up, Ansible configures it
→ Learn how to manage software/configs on provisioned servers

🔹 7. Observability
→ Setup Prometheus + Grafana + Loki
→ Learn how to monitor, alert, and debug before users even notice

💻 Then do this one project:

Take a real GitHub app : https://lnkd.in/g9nGaNUG
🧹 Delete the Dockerfile, CI/CD, and K8s manifests
🧠 Rebuild everything from scratch using only the README:

✅ Write the Dockerfile
✅ Test with Docker Compose
✅ Build K8s manifests
✅ Deploy to a real cluster (EKS/GKE/AKS)
✅ Automate with CI/CD
✅ Setup observability
✅ Provision with Terraform

No bootcamp will teach you more than this project.

✈️ Join the channel now and start your DevOps journey with confidence:
📎 t.me/DevOpsClassroom

➡️ New DevOps Project Alert! ⬅️

🚀 DevOps Project-36: Production-Ready 3-Tier App on AWS EKS 🌐

Just deployed a full-stack 3-tier application on AWS EKS with a real-world infrastructure setup! 🧵

🟠 Frontend: React (user interface)
🟠 Backend: Flask (API + business logic)
🟠 Database: PostgreSQL on RDS (private subnet)

Key AWS Components:
✅ EKS Cluster
✅ Application Load Balancer (ALB) via AWS Load Balancer Controller
✅ Kubernetes Ingress, Secrets & ConfigMaps
✅ ExternalName service to access RDS securely
✅ Route53 for DNS
✅ IAM, OIDC for fine-grained access control
✅ EC2 Bastion Host for secure cluster access
✅ DB migrations via Kubernetes Job

🔧 Built with production in mind – real infrastructure, real patterns, real skills.

📱 GitHub: https://github.com/NotHarshhaa/DevOps-Projects/tree/master/DevOps-Project-36
➗ View on Web: https://projects.prodevopsguytech.com/blog/DevOps-Project-36

Check it out & give it a ⭐️ if it helps you!
#DevOps #AWS #EKS #Kubernetes #CICD #FullStack #CloudNative #React #Flask #Postgres


📱 Join the channel now and start your DevOps journey with confidence:
📎 t.me/DevOpsClassroom

😫 “𝗘𝗖𝗦 𝗼𝗿 𝗘𝗞𝗦? 𝗜 𝘁𝗵𝗼𝘂𝗴𝗵𝘁 𝗰𝗵𝗼𝗼𝘀𝗶𝗻𝗴 𝗯𝗲𝘁𝘄𝗲𝗲𝗻 𝘁𝗵𝗲𝗺 𝘄𝗼𝘂𝗹𝗱 𝗯𝗲 𝗲𝗮𝘀𝘆…”

Instead, I ended up stuck in analysis paralysis for weeks.

Docs were vague. Reddit was chaotic. YouTube was a warzone.

Everyone had an opinion — but no one had a clear answer.

Until one day, a simple analogy made it all click.⬇️

🚢 𝗜𝗺𝗮𝗴𝗶𝗻𝗲 𝘆𝗼𝘂’𝗿𝗲 𝗹𝗮𝘂𝗻𝗰𝗵𝗶𝗻𝗴 𝗮 𝗹𝗼𝗴𝗶𝘀𝘁𝗶𝗰𝘀 𝗰𝗼𝗺𝗽𝗮𝗻𝘆.

You need to ship packages (containers) reliably across the country.

You’ve got two options:

✅ 𝗢𝗽𝘁𝗶𝗼𝗻 𝟭: 𝗘𝗖𝗦 = 𝗧𝗵𝗲 𝗙𝗲𝗱𝗘𝘅 𝗠𝗼𝗱𝗲𝗹

You give your package to FedEx.

They handle the trucks, the routes, and the delivery.

You don’t care how it works — it just works.

That’s Amazon ECS.
- Fully AWS-managed orchestration
- Plug-and-play with Fargate
- Tight AWS integrations (CloudWatch, IAM, ALB)
- Less config, faster deployments

Best if:
- You’re AWS-first
- You want simplicity over control
- You need to move fast


⚙️ 𝗢𝗽𝘁𝗶𝗼𝗻 𝟮: 𝗘𝗞𝗦 = 𝗢𝘄𝗻𝗶𝗻𝗴 𝗬𝗼𝘂𝗿 𝗢𝘄𝗻 𝗙𝗹𝗲𝗲𝘁

You buy the trucks. Hire the drivers. Set the routes.

It’s more work — but you control everything.

That’s Amazon EKS.

- Full Kubernetes power (and pain)
- Portable across cloud/on-prem
- Ideal for microservices, GitOps, service mesh
- Better if you already use K8s

Best if:
- You need Kubernetes flexibility
- You’re doing multi-cloud
- You want granular control


📱 Join the channel now and start your DevOps journey with confidence:
📎 t.me/DevOpsClassroom

🚨 They accidentally deleted their entire AWS Organization account. 🚨

Yes — production S3 buckets. Client data. App Runner services. Gone.

No test. No warning. Just… obliteration.

—

I came across this story on Reddit — and it hit me like a truck.

It started with a routine migration.

They were cleaning up unused accounts during an App Runner transition.

🖱 One wrong click.
✉️ No confirmation email.
⚠️ No warning the org deletion would nuke everything.

24 hours later:

❌ All systems down
❌ No access to S3
❌ Clients in panic mode
❌ No response from AWS Support

They were a small team. No enterprise support.
Just chaos — and partners losing trust by the hour.

—

💔 It’s a brutal reminder:

Cloud infra is powerful — and unforgiving.

This could happen to any of us.

And it made me recheck my entire setup that night.

Here’s what I wished they did — and what I now recommend to every DevOps team I work with:

✅ Enable AWS Backup on all S3 buckets
✅ Use Service Control Policies (SCPs) to block dangerous actions
✅ Practice account recovery simulations
✅ Build a disaster recovery plan that’s actually tested
✅ Upgrade to Business Support — or have a plan to escalate fast


📱 Join the channel now and start your DevOps journey with confidence:
📎 t.me/DevOpsClassroom

⚪ Load Balancer vs. Reverse Proxy vs. API Gateway


🔹 Load Balancer
Distributes incoming network traffic across multiple backend servers (nodes) to ensure no single server is overwhelmed.

⚡️Key Benefits:
- Improves horizontal scalability
- Ensures high availability
- Performs automatic health checks
- Supports traffic routing based on load, IP, or latency

Examples: AWS ELB, HAProxy, NGINX (as load balancer)

🔹 Reverse Proxy
A server that sits in front of one or more backend servers and forwards client requests to them.

⚡️Key Benefits:
- Hides and protects backend servers
- Enables SSL termination
- Adds caching and compression
- Can perform basic load balancing

Examples: NGINX, Apache HTTP Server

🔹 API Gateway
A centralized entry point that handles, manages, and routes API calls—especially in a microservices setup. Acts as a facade to decouple clients from microservice complexity.

⚡️Key Benefits:
- Manages authentication, authorization, and rate limiting
- Performs request/response transformations
- Handles API versioning and lifecycle
- Enables detailed monitoring and analytics

Example: Amazon API Gateway, Kong

⚡️𝐂𝐚𝐧 𝐓𝐡𝐞𝐲 𝐁𝐞 𝐔𝐬𝐞𝐝 𝐓𝐨𝐠𝐞𝐭𝐡𝐞𝐫?
Yes. Modern architectures often combine all three.

⚡️Example Setup:
- A Reverse Proxy (e.g. NGINX) handles SSL termination and routes requests
- Requests hit an API Gateway for authentication, throttling, and routing to services
- Behind the scenes, a Load Balancer distributes traffic to healthy service instances

On AWS, it’s common to see Amazon API Gateway + Elastic Load Balancer (ELB) used together to build scalable, secure APIs.


📱 Join the channel now and start your DevOps journey with confidence:
📎 t.me/DevOpsClassroom

⚪ Fundamental Kubernetes Concepts.

⬆️ Explained Simply ⬆️



📱 Join the channel now and start your DevOps journey with confidence:
📎 t.me/DevOpsClassroom

🔟 YOUTUBE CHANNELS TO LEARN DEVOPS FROM ZERO TO HERO IN 2025🔥

📏📏📏📏📏📏📏📏📏📏

1. Bret Fisher Docker & DevOps
➡️Description: Offers beginner-friendly tutorials on Docker, Kubernetes, and cloud technologies, featuring industry expert insights.
➡️Link: https://t.co/pOL0rRNbLH

2. KodeKloud
➡️Description: Focuses on making complex DevOps topics accessible to beginners through gamification and hands-on labs.
➡️Link: https://t.co/9U0djh6H6Q

3. TechWorld with Nana
➡️Description: Provides comprehensive tutorials on DevOps basics and advanced topics, including Jenkins and Kubernetes.
➡️Link: https://t.co/HUJZ29cUtB

4. Jeff Geerling
➡️Description: Covers a wide range of topics including Kubernetes, Ansible, and Raspberry Pi projects.
➡️Link: https://t.co/tlJ4UMw4Hd

5. Stephane Maarek
➡️Description: Specializes in cloud computing and DevOps, offering AWS certification guidance and practical tutorials.
➡️Link: https://t.co/6fJpyHtk26

6. Simplilearn
➡️Description: Offers structured tutorials on DevOps basics and advanced techniques, conducted by industry experts.
➡️Link: https://t.co/NzbfIJJQwZ

7. TheDevOpsSchool
➡️Description: Provides comprehensive tutorials and industry insights on CI/CD, containerization, and cloud computing.
➡️Link: https://t.co/szLCkTTfjo

8. KubeSimplify
➡️Description: Focuses on Kubernetes and Cloud Native best practices with practical tutorials.
➡️Link: https://t.co/VhA3JzPsnL

9. Abhishek.Veeramalla (DevOps Engineer)
➡️Description: Offers a "Zero to Hero" DevOps course covering fundamentals to advanced topics like GitOps and Docker.
➡️Link: https://t.co/pzt05vzbxY

10. DevOps Directive
➡️Description: Covers evolving DevOps topics such as Kubernetes, Infrastructure as Code, and career advice.
➡️Link: https://t.co/n2W6VkpqxE


📱 𝐅𝐨𝐥𝐥𝐨𝐰 @prodevopsguy 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

📢 The best FREE resource to practice your DevOps skills 💥

➡️ Check out this link for free labs: https://lnkd.in/dkApEckT


📱 Join the channel now and start your DevOps journey with confidence:
📎 t.me/DevOpsClassroom

🚀 Master DevOps & Cloud — 📱 All the Right Repos in One Place!

➡️ DevOps Repositories Central
📌 https://repos.prodevopsguytech.com

Looking to become a Professional DevOps Engineer?

Start with the most useful GitHub repositories — all curated for learning, practice, and real-world implementation.

💡 What's inside?
✔️ DevOps & Cloud Learning Paths
✔️ Hands-On Labs & Projects
✔️ Infrastructure as Code (Terraform, Ansible, etc.)
✔️ CI/CD Pipelines
✔️ Kubernetes & Docker Repos
✔️ Interview Prep Resources
...and a lot more!

➗ Everything you need — organized, practical, and beginner-friendly. Perfect for leveling up or switching into DevOps/Cloud roles.


📱 𝐅𝐨𝐥𝐥𝐨𝐰 @prodevopsguy 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

⚡️Jenkins Tutorial For Beginners: 21+ Practical Guides
https://lnkd.in/deezunqE

⚡️Jenkins Architecture Explained - Beginners Guide
https://lnkd.in/dcE49EXw

⚡️How To Setup Highly Available Jenkins
https://lnkd.in/dTbnsg6s

🔠 Jenkins Administration Tutorials

⚡️Install Jenkins on Ubuntu in 10 Easy Steps
https://lnkd.in/dUDGXc34

⚡️How to Setup Jenkins Agent Using SSH [Password & SSH Key]
https://lnkd.in/d4iKkjs7

⚡️How to Configure SSL on Jenkins Server
https://lnkd.in/d9UpFgiR

⚡️How To Run Jenkins on Port 80: 4 Different Methods Explained
https://lnkd.in/dpexCUub

⚡️How To Backup Jenkins Data and Configurations
https://lnkd.in/dePTnDGX

⚡️How to Setup Custom UI Theme For Jenkins
https://lnkd.in/dxdqcjWJ

⚡️Jenkins Setup Using AWS Autoscaling Group, Load Balancer & EFS
https://lnkd.in/dizsnNjZ

🔠 Jenkins Pipeline Tutorials

⚡️Jenkins Pipeline Tutorial For Beginners
https://lnkd.in/dryfkdVy

⚡️Jenkins Shared Library Tutorial For Beginners
https://lnkd.in/dsAgwHFp

⚡️How to Use Parameters in Jenkins Declarative Pipeline
https://lnkd.in/d3UgPxRA

🔠 Jenkins CI/CD Tutorials

⚡️Java Continuous Integration with Jenkins - Beginners Guide
https://lnkd.in/d9Eujsp6

⚡️Jenkins Automated Build Trigger On Github Pull Request
https://lnkd.in/dFkNt3gm

⚡️How To Build Docker Image In Kubernetes Pod
https://lnkd.in/dfxkmf_v

⚡️How to Setup Jenkins Email Notification (Detailed Guide)
https://lnkd.in/dUbxPqvb


📱 𝐅𝐨𝐥𝐥𝐨𝐰 @prodevopsguy 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

⚡ ChatGPT Prompts for DevOps and Cloud Learners ⬇️

We see too many struggling with even basic prompts.

Here we created this to help you.

📌 Note:
ChatGPT isn't a replacement for official documentation.

It can hallucinate, treat it as your guide.

📱 𝐅𝐨𝐥𝐥𝐨𝐰 @prodevopsguy 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

🖥 5 DevOps projects that will help you land your first job

(Build a complete DevOps Portfolio)

🔜 Project 1: Deploy an app to AWS EKS with ingress controller in three tier vpc and expose the app via application load balancer.
📎 https://lnkd.in/di5W52iD

🔜 Project 2: Full end-to-end CI/CD pipeline. Containerize and deploy the app to k8s using Helm charts and ArgoCD
📎 https://lnkd.in/dRqXFs2a

🔜 Project 3: Complete Gitlab CI/CD pipeline. Build, test, scan and deploy a board game
📎 https://lnkd.in/dHZprJC4

🔜 Project 4: End-to-End Terraform project creating VPC, route tables, RDS, State Management etc.
📎 https://lnkd.in/dhpNEE63

🔜 Project 5: End-to-end monitoring an app using Prometheus and Grafana.
📎 https://lnkd.in/d9tfAW3c

These projects will demonstrate your DevOps expertise in the interviews,
and land your first job.

📱 Join the channel now and start your DevOps journey with confidence:
📎 t.me/DevOpsClassroom

➗ 10 FREE DevOps labs that helped to stop feeling stuck — and start feeling unstoppable ⬇️


1️⃣. KodeKloud Engineer Platform
Simulate real-world tasks. Get “promoted” from SysAdmin → DevOps Engineer → Architect!
⏩ https://lnkd.in/g3G_vMNU

2️⃣. DevOps Labs Collection
Hands-on labs across CI/CD, monitoring, automation — no credit card needed.
⏩ https://lnkd.in/g8HVvigm

3️⃣. Kubernetes Lab
Deploy clusters, manage apps, master YAML.
⏩ https://lnkd.in/guWWzCeh

4️⃣. Docker Lab
Pull, build, and run real containers.
⏩ https://lnkd.in/gFyeEnrT

5️⃣. Git Lab
Master Git flows, branching, merges — fluency guaranteed.
⏩ https://lnkd.in/grP6dYfa

6️⃣. Terraform Lab
Write Infrastructure as Code. Deploy AWS resources without fear.
⏩ https://lnkd.in/gmhTZPdR

7️⃣. Linux Lab
Learn Linux basics — 90% of DevOps work happens here.
⏩ https://lnkd.in/g92cPyYE

8️⃣. Ansible Lab
Automate server setups like a pro.
⏩ https://lnkd.in/gVGdesdB

9️⃣. Jenkins Lab
Build real CI/CD pipelines with hands-on Jenkins experience.
⏩ https://lnkd.in/gPdeqhYZ

1️⃣0️⃣. Python Lab
Practice automation scripts and cloud operations.
⏩ https://lnkd.in/g-gM9QmM


📱 Join the channel now and start your DevOps journey with confidence:
📎 t.me/DevOpsClassroom

ℹ️ PWC Interview experience for DevOps Engineer role


✅ Round 1: Screening Round (30 minutes)
- Walk me through your current project architecture and your role in it.
- Which DevOps tools have you worked with in the last 2 years?
- What AWS services have you used in production?
- How do you expose a Kubernetes application to external traffic?
- What is the purpose of a NAT Gateway?
- How do you check running processes in Linux?
- What command would you use to find files larger than 100MB?
- What is the difference between Deployment and StatefulSet in Kubernetes?
- What is a ConfigMap, and how is it different from a Secret?
- How do you check network connectivity between two servers?
- Describe your experience with CI/CD pipelines.

✅ Round 2: Technical Round (60 minutes)
- You have an application in Account A that needs to access an S3 bucket in Account B. How would you configure this?
- Write a Dockerfile for a Node.js application with multi-stage builds.
- How do you handle Terraform state file corruption?
- Your EC2 instance in a private subnet needs to download packages without NAT Gateway. What alternatives exist?
- How do you debug a container that has exited?
- You need to import an existing AWS VPC into Terraform. What are the steps?
- How would you implement blue-green deployment in Kubernetes?
- How do you manage secrets in Terraform without hardcoding them?
- What's the difference between COPY and ADD commands in Dockerfile?
- How would you implement cross-account resource provisioning using Terraform?
- How would you handle secrets in a Docker container for a PHP application connecting to MySQL?
- An S3 bucket was created via Terraform, but someone manually added a policy. How do you handle this drift?
- How do you implement network policies to restrict pod-to-pod communication in Kubernetes?
- Write a Python script to backup all files older than 30 days from a directory.
- Your company's cloud costs are increasing rapidly. - How would you approach cost optimization without impacting performance?
- How would you set up geolocation-based routing using AWS services?
- A critical production Kubernetes cluster is experiencing multiple issues. Pods are stuck in ImagePullBackOff, some pods are being evicted, and users are reporting 503 errors from the application. What troubleshooting process will you follow, and how can to avoid this in the future?

✅ Round 3: Behavioral Round
- How do you handle a situation where you're asked to work on a technology you have no experience with?
- Describe a time when you had to work with tight deadlines and limited resources.
- Tell me about a mistake you made in production and how you handled it.
- Describe the most challenging technical problem you've solved in your career.
- How would you convince stakeholders to adopt a new technology or process?
- Tell me about a time when you had to learn a new tool quickly to solve a business problem.


↗️ Follow @DevOpsClassroom for more DevOps Journey and Learn step by step, share with your friends and people for helping out together.

❗️ Deloitte Interview Experience
🟣Position : DevOps Engineer

🟣𝗥𝗼𝘂𝗻𝗱 𝟭: 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗦𝗰𝗿𝗲𝗲𝗻𝗶𝗻𝗴
1. Explain the CI/CD workflow you follow and the kind of pipeline you use. How do you define and invoke pipelines in Jenkins?
2. What are shared libraries in Jenkins, and how are they written and defined?
3. What kind of applications do you deploy using Jenkins pipelines, and what deployment tools do you use?
4. If the Jenkins pipeline runs but the build doesn’t happen, what possible issues could be causing it?
5. What is the purpose of a webhook, and how is it used in a CI/CD pipeline?
6. How do you create and manage Kubernetes clusters (using tools like Terraform), and what are the master and worker nodes?
7. What are common Kubernetes errors you’ve faced (like CrashLoopBackOff, ImagePullError), and how did you resolve them?
8. What is the command to access a pod and how can you define or create a Kubernetes class or object?
9. Explain the folder structure of a basic Helm chart. What commands do you use to deploy with Helm?
10. What are the stages in a Docker image build? Why do we use ENTRYPOINT and CMD instructions?
11. How do you manage and connect services like DBs, EC2, EKS, or ECS? Include the command to connect to ECS.
12. Which container registry do you use for storing Docker images?

🟣𝗥𝗼𝘂𝗻𝗱 𝟮: 𝗜𝗻-𝗱𝗲𝗽𝘁𝗵 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗦𝗰𝗿𝗲𝗲𝗻𝗶𝗻𝗴
1. What branching strategy do you follow, and how do you handle merges to avoid breaking the release branch? If a bug appears in production, what’s your approach to resolving it?
2. Describe your typical deployment flow and CI/CD workflow. What stages do you define in your Jenkins pipeline, and how do you ensure full quality checks during deployment?
3. How do you use Jenkins shared libraries? Explain their typical structure and how they are integrated into your Jenkinsfiles.
4. Are you aware of security scanning tools? How do you scan Docker images—both during build and at the registry level? Are you using any extensions or tools for image scanning?
5. How do you pass environment variables during Docker build commands? What services do you use for storing Docker images?
6. How do you establish a connection with databases in your deployments or infrastructure setup?
7. How do you handle authentication for EKS clusters and store secrets securely in your environment?
8. How do you create AWS Lambda functions and manage the artifacts for deployment? What options do you use to push artifacts to Lambda?
9. What is email signing and Helm chart signing? Which tools do you use to sign Helm charts?

🟣𝗥𝗼𝘂𝗻𝗱 𝟯: 𝗛𝗠 𝗥𝗼𝘂𝗻𝗱 (𝗛𝗶𝗿𝗶𝗻𝗴 𝗠𝗮𝗻𝗮𝗴𝗲𝗿)
1. Project experiences.
2. Day-to-day responsibilities.
3. Light behavioral questions.
4. Teamwork & Culture Fit questions.


📱 𝐅𝐨𝐥𝐥𝐨𝐰 𝐦𝐞 𝐨𝐧 𝐆𝐢𝐭𝐇𝐮𝐛 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐃𝐞𝐯𝐎𝐩𝐬 𝐑𝐞𝐬𝐨𝐮𝐫𝐜𝐞𝐬 : https://github.com/NotHarshhaa

📱 𝐅𝐨𝐥𝐥𝐨𝐰 @devopsclassroom 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

✨ Interview Questions for 18 LPA - Cloud & DevOps Engineer Role ✅


⚡️L1 & L2 level questions related to AWS, Terraform, Kubernetes, Docker, Git

⚡️Level 1 -
1. cicd workflow, what kind of pipeline
2. use of webhook
3. purpose of webhook
4. stages of pipeline...
5. shared libraries in jenkins?
6. how do we define shared libraries?
7. how are shared libraries written?
8. how do you define a pipeline and call it?
9. what kind of app you deploy on the pipeline?
10. basic structure, folder structure of helm?
11. what command are you using deployment in helm
12. in the Jenkins pipeline, the pipeline is running
successfully but the build is not happening, what are the
issues?
13. kubernetes, what are the errors you are getting, why
they come and how you resolve?
14. explain the crash loop back off,
15. image pull error?
16. command to go inside a pod?
17. how can you create the kubernetes class?
18. what are the steps to create the cluster?
19. what is the master node and other node?
20. code to create a cluster using terraform?
21. stages in docker images?
22. DB entry point, CMD
23. why do we use entrypoint, CMD
24. DB ec2, eks, ecs
25. command to connect ecs
26. which tool are you using for deployment?
27. which registry for storing the docker images?

⚡️Level 2 -
1. branching strategy?
2. your release branch will break, then how u will avoid this kind of issues, then how do you merge?
3. in production having some bugs, how will you resolve?
4. typical deployment flow?
5. cicd workflow?
6. how do we do a full quality check?
7. jenkins file, different stages...
8. shared libraries in jenkins file?
9. typical structure of shared libraries...
10. are you aware of security scanning tools?
11. how do you pass the environment variables on docker
build command.
12. what services do you use for storing the images?
13. DB, how do you establish the connection?
14. how do you scan the images at the registry level?
15. any extension you are using for image scanning?
16. authentication of eks cluster?
17. storing the secrets?
18. how to create lambda function, how it's taking the
artifacts.
19. options on lambda to push the artifacts?
20. what is email signing and helm chart signing?
21. which tool for signing the helm chart?


📱 𝐅𝐨𝐥𝐥𝐨𝐰 𝐦𝐞 𝐨𝐧 𝐆𝐢𝐭𝐇𝐮𝐛 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐃𝐞𝐯𝐎𝐩𝐬 𝐑𝐞𝐬𝐨𝐮𝐫𝐜𝐞𝐬 : https://github.com/NotHarshhaa

📱 𝐅𝐨𝐥𝐥𝐨𝐰 @devopsclassroom 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

➡️ Tech Mahindra - DevOps Engineer interview Questions ⬅️


➡️ Linux & Shell Scripting
• How do you check running processes in Linux?
• What’s the difference between top, htop, and ps?
• How to schedule a cron job every 15 minutes?
• What is the difference between hard link and soft link?
• How to find which process is using high memory?

➡️ Docker & Containers
• What is the difference between an image and a container?
• How to persist data across container restarts?
• What is the use of docker-compose?
• How do you check logs of a specific container?
• How to expose a container to the outside world?

➡️ Jenkins & CI/CD
• Explain a typical CI/CD pipeline you’ve worked on.
• Difference between Declarative and Scripted pipeline?
• How to trigger a Jenkins job when code is pushed to GitHub?
• How do you handle secrets in Jenkins pipelines?
• How to pass parameters between stages?

➡️ Git & Version Control
• How do you resolve merge conflicts?
• Difference between git pull, git fetch, and git clone?
• Use case of git stash.
• What is the .gitignore file and how does it work?
• What’s the difference between git rebase and git merge?

➡️ Terraform & Infrastructure as Code
• How does Terraform maintain the state of resources?
• What are Terraform modules?
• How to manage sensitive variables in Terraform?
• What is the purpose of terraform validate and terraform fmt?
• How do you handle provisioning in different environments (dev/stage/prod)?

➡️ AWS & Cloud
• How to troubleshoot SSH issues in an EC2 instance?
• What is the difference between EBS, S3, and EFS?
• How does IAM policy differ from IAM role?
• Difference between security group and NACL?
• How to set up auto-scaling for an application?

➡️ Kubernetes (K8s)
• Difference between Deployment and StatefulSet?
• What is a DaemonSet used for?
• How does a Service in Kubernetes work?
• What is a ConfigMap vs Secret?
• What are taints and tolerations?
• How do liveness and readiness probes work?
• How to troubleshoot a pod stuck in CrashLoopBackOff?


📱 𝐅𝐨𝐥𝐥𝐨𝐰 𝐦𝐞 𝐨𝐧 𝐆𝐢𝐭𝐇𝐮𝐛 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐃𝐞𝐯𝐎𝐩𝐬 𝐑𝐞𝐬𝐨𝐮𝐫𝐜𝐞𝐬 : https://github.com/NotHarshhaa

📱 𝐅𝐨𝐥𝐥𝐨𝐰 @devopsclassroom 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs

📱 30 Kubernetes Tutorials

Each one focused on a key concept, tool, or best practice.

1. Kubernetes Architecture - https://lnkd.in/gSB2GyXp
2. High Availability - https://lnkd.in/gzYd97Ee
3. Best Practices (Design & Setup) - https://lnkd.in/gPUx8uNP
4. Minikube - https://lnkd.in/gAgcw2q6
5. Kubeadm - https://lnkd.in/gkCQAajB
6. Kubeconfig File - https://lnkd.in/gEnUdrj7
7. Vagrant VMs - https://lnkd.in/gtKNepyc
8. eksctl - https://lnkd.in/ghUDuDQx
9. kubectl - https://lnkd.in/gzbd7263
10. Kubernetes Cluster - https://lnkd.in/giaAps_S
11. Etcd - https://lnkd.in/g9icGcME
12. Kubernetes Pod - https://lnkd.in/gtGGyJR7
13. Init Containers - https://lnkd.in/gPaDpyUP
14. Daemonset - https://lnkd.in/gAM7pxrK
15. Pod Lifecycle - https://lnkd.in/gtwBJr3w
16. Kubernetes Ingress - https://lnkd.in/gN2RD3ei
17. Nginx Ingress - https://lnkd.in/ghvGtGS3
18. K8s YAML Manifests - https://lnkd.in/gJQ-pPJE
19. Alert Manager - https://lnkd.in/gHM6DnFE
20. EFK Stack - https://lnkd.in/gSC6bj37
21. K8s Logging - https://lnkd.in/g8VG6nti
22. Kustomize - https://lnkd.in/gziADVvS
23. Sealed Secrets - https://lnkd.in/gceD9mpU
24. Docker Image In K8s Pod - https://lnkd.in/g4qUgj4E
25. Jenkins Build Agents - https://lnkd.in/gf9R-qin
26. Kustomize Secret - https://lnkd.in/gW_eugbf
27. Deploy Argo CD - https://lnkd.in/gHUMhS7Q
28. Install Helm for K8s - https://lnkd.in/gn2DHbRz
29. MongoDB - https://lnkd.in/ga8DmNKb
30. Hashicorp Vault - https://lnkd.in/gB7EZYJT


📱 𝐅𝐨𝐥𝐥𝐨𝐰 𝐦𝐞 𝐨𝐧 𝐆𝐢𝐭𝐇𝐮𝐛 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐃𝐞𝐯𝐎𝐩𝐬 𝐑𝐞𝐬𝐨𝐮𝐫𝐜𝐞𝐬 : https://github.com/NotHarshhaa

📱 𝐅𝐨𝐥𝐥𝐨𝐰 @devopsclassroom 𝐟𝐨𝐫 𝐦𝐨𝐫𝐞 𝐬𝐮𝐜𝐡 𝐜𝐨𝐧𝐭𝐞𝐧𝐭 𝐚𝐫𝐨𝐮𝐧𝐝 𝐜𝐥𝐨𝐮𝐝 & 𝐃𝐞𝐯𝐎𝐩𝐬!!! // 𝐉𝐨𝐢𝐧 𝐟𝐨𝐫 𝐃𝐞𝐯𝐎𝐩𝐬 𝐃𝐎𝐂𝐬: @devopsdocs