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SPSAI PRANEETH BHATTUsaipraneethbhattu.hashnode.devJun 17 · 18 min read

Beyond One Server: Solving Docker Scaling with Swarm and Container Networks

Pushing All Four Images to Docker Hub We have four images built locally: internet-banking:v1, mobile-banking:v1, insurance:v1, and loans:v1. These images live only on the EC2 host machine right now. T

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SPSAI PRANEETH BHATTUsaipraneethbhattu.hashnode.devJun 16 · 17 min read

Docker Compose in Action: Multi-Container Apps, Nginx Load Balancing & Docker Hub

Why Docker Compose Before running any commands, it helps to understand the problem Docker Compose is solving. Right now, to create four containers for our services, you would need to run four separate

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HLHatim Lohadockerlearning-hatim.hashnode.devMay 31 · 4 min read

Lesson 7 — Advanced Dockerfiles

Now we move into professional Docker usage. This lesson is VERY important for: production systems CI/CD optimization security CMD vs ENTRYPOINT One of the most asked Docker interview topics. CMD

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HLHatim Lohadockerlearning-hatim.hashnode.devMay 31 · 3 min read

Lesson 5 — Docker Networking Deep Dive

This is where Docker becomes truly powerful. You’ll learn how containers communicate.Why Networking Matters Real applications need communication. Example: Frontend → Backend → Database → Redis # Cont

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HLHatim Lohadockerlearning-hatim.hashnode.devMay 23 · 3 min read

Lesson 1 — Why Docker Exists Before Docker, developers had a huge problem:

The Classic Problem Developer says: It works on my machine But: production fails dependencies differ OS versions differ package versions differ Example: Your laptop: Node.js 20 Ubuntu 24 Red

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KPKarthik Phanikarthiktech.hashnode.devApr 9 · 6 min read

A Beginner’s Introduction to Docker

What is Docker..?? Why we use Docker..?? Have you ever faced a situation where your application works perfectly on your system during testing, but fails when deployed on the client’s machine? This is

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DZDev Zodiacdevzodiac.hashnode.devMar 1 · 3 min read

Docker + Django in 10 Days: From Zero to Production [Day: 06]

🎯 Goal of Day 6 By the end of today, you will: Understand what environment variables are Use a .env file with Docker Compose Clean up Django settings.py Understand volumes deeply Know how Docker

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AKArvindh Kumar Vdocker-simplified.hashnode.devJan 29 · 5 min read

🐳 Docker – Day 2: Core Concepts + Hands-On

📦 What is a Container? A container is a standard unit of software that packages everything an application needs to run consistently. This includes: Application code Required libraries Runtime System dependencies Configuration settings Because...

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YDYeshwant Dasaridasaricodes.hashnode.devDec 8, 2025 · 5 min read

🛡️ The Pi Guardian: Defending My Home Network with Nginx and Automation

When I first set up my home server, my goal was simple — host my own applications and stay in control of my data.What began as a fun side project quickly evolved into something much deeper: learning how to design a secure, automated, and reliable sel...

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MSM.Khurram Shahzadmkhurram33.hashnode.devOct 16, 2025 · 6 min read

Mastering Docker: The Ultimate Guide to Building, Running, and Scaling Containers

In the modern software ecosystem, Docker has become the cornerstone of containerization and DevOps. It enables developers to package applications and their dependencies into isolated units, known as containers, ensuring consistency across multiple en...

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Trending tags this week

Beyond One Server: Solving Docker Scaling with Swarm and Container Networks

Docker Compose in Action: Multi-Container Apps, Nginx Load Balancing & Docker Hub

Lesson 7 — Advanced Dockerfiles

Lesson 5 — Docker Networking Deep Dive

Lesson 1 — Why Docker Exists Before Docker, developers had a huge problem:

A Beginner’s Introduction to Docker

Docker + Django in 10 Days: From Zero to Production [Day: 06]

🐳 Docker – Day 2: Core Concepts + Hands-On

🛡️ The Pi Guardian: Defending My Home Network with Nginx and Automation

Mastering Docker: The Ultimate Guide to Building, Running, and Scaling Containers