Day 39: Create a Docker Image From Container
🐳 Day 39: Create Docker Image from Container | 100 Days of DevOps
Welcome to Day 39 of the 100 Days of DevOps series! In this lab, you’ll learn how to create a new Docker image from a running container — a useful technique for saving changes and creating custom images.
📌 Lab Objective:
Create a Docker image from an existing running container.
🛠️ Task Requirements:
Server: Application Server 1
Container Name: ubuntu_latest
New Image Name: beta
💻 Step-by-Step Solution:
🔹 1. Verify container is running
docker ps
👉 Ensure ubuntu_latest is running
🔹 2. Create image from container
docker commit ubuntu_latest beta:datacenter
🔹 3. Verify new image
docker images
👉 Expected:
beta datacenter
📚 What You’ll Learn:
Creating images from containers
Using docker commit command
Saving container state
Building custom Docker images
🌟 Why This Lab Matters:
This method is useful for quick backups, debugging, and creating custom images during development and testing.
🎯 Series: 100 Days of DevOps
Level up your real-world DevOps skills step by step.
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