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Creating a Dockerfile

In this hands-on lab, you are part of a development team that is working on a next-gen product for XYZ Company. The team needs you to Dockerize the application. To do this, you need to create a Dockerfile that will copy the code to `/var/node` where the application will live.

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Lab Info
Level
Beginner
Last updated
Sep 23, 2025
Duration
1h 0m

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Table of Contents
  1. Challenge

    Clone the Application from GitHub

    Clone the repo:

    git clone https://github.com/linuxacademy/content-express-demo-app.git
    
  2. Challenge

    Build the Docker Image

    Create a Dockerfile:

    vi Dockerfile
    

    Dockerfile:

    FROM node
    
    RUN mkdir -p /var/node
    ADD content-express-demo-app/ /var/node
    WORKDIR /var/node
    RUN npm install
    
    CMD bin/www
    

    Build the image:

    docker build -t la/app-ndoe -f Dockerfile .
    
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