Creating a Dockerfile

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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

Challenge

Clone the Application from GitHub

Clone the repo:

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

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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