Search⌘ K
Home
Courses
Docker for Web Developers

Building Images and Launching Apps

Understand how to build Docker images using Dockerfiles and efficiently launch Node.js applications within containers. Learn key Docker commands for listing images, viewing resource usage, and managing running containers, enabling practical app deployment and debugging.

We'll cover the following...

Build Image

To build an image named nodehello from your Dockerfile, the following command is used:

docker image build -t nodehello .

📌 The period at the end of the command is essential. It references the application path. You can also use -f <file> if you didn’t name your build file “Dockerfile” e.g.,

docker image build -f Dockerfile.prod -t nodehello .
...