# 🚀 DevOps Journey — Week 14: **Kubernetes Scaling & Automation**

In my DevOps Journey Week 14, I moved from Docker & Compose into the world of Kubernetes.
This was a huge milestone: learning how to handle scaling, automation, and thousands of users without downtime.

🔹 Step 1: Docker Networking

B…


This content originally appeared on DEV Community and was authored by Azmat Ahmed

In my DevOps Journey Week 14, I moved from Docker & Compose into the world of Kubernetes.

This was a huge milestone: learning how to handle scaling, automation, and thousands of users without downtime.

🔹 Step 1: Docker Networking

Before K8s, I explored Docker networking:

  • Bridge → local isolated communication
  • Host → container shares host’s network
  • Overlay → multi-host (Swarm, cluster setups)

🔹 Step 2: Docker Compose

Next, I practiced multi-service apps:


yaml
version: "3.9"
services:
  web:
    image: nginx
  db:
    image: mysql:5.7
With a single command:

bash
Copy code
docker-compose up -d
This was enough for small dev projects.

🔹 Step 3: Kubernetes — the Game Changer
Here’s where Week 14 really leveled up.
Kubernetes gave me:

Scaling → add more pods instantly.

Self-healing → crashed pods restart automatically.

Rolling updates → zero downtime deploys.

Load balancing → spread traffic across pods.

Commands I used:
bash
Copy code
kubectl create deployment web --image=nginx
kubectl expose deployment web --type=NodePort --port=80
kubectl scale deployment web --replicas=5
kubectl get pods
🔥 Reflection
Docker was my foundation.

Docker Compose gave me small multi-service apps.

But Kubernetes unlocked production-level orchestration.

This week felt like moving from “developer” → “DevOps engineer.”

#devops #docker #kubernetes #devto #devopsjourney


This content originally appeared on DEV Community and was authored by Azmat Ahmed


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Azmat Ahmed | Sciencx (2025-09-28T06:55:30+00:00) # 🚀 DevOps Journey — Week 14: **Kubernetes Scaling & Automation**. Retrieved from https://www.scien.cx/2025/09/28/%f0%9f%9a%80-devops-journey-week-14-kubernetes-scaling-automation/

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" » # 🚀 DevOps Journey — Week 14: **Kubernetes Scaling & Automation**." Azmat Ahmed | Sciencx - Sunday September 28, 2025, https://www.scien.cx/2025/09/28/%f0%9f%9a%80-devops-journey-week-14-kubernetes-scaling-automation/
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