Verifying installation with docker run hello-world - Mini Project: Build & Apply

Verifying installation with docker run hello-world

📖 Scenario: You have just installed Docker on your computer. Now, you want to check if Docker is working correctly by running a simple test container.

🎯 Goal: Run the official Docker test image hello-world to verify that Docker is installed and running properly on your system.

📋 What You'll Learn

Use the docker run command with the hello-world image

Pull the image if it is not already on your system

Display the output message from the container

💡 Why This Matters

🌍 Real World

Running the <code>hello-world</code> container is the first step to confirm Docker is ready for use on your computer.

💼 Career

Knowing how to verify Docker installation is essential for developers and DevOps engineers to start working with containers.

1

Prepare to run the Docker hello-world image

Open your terminal or command prompt and type the command docker run hello-world to start the process.

Docker

# Type the command to run the hello-world Docker image
# Your code here

Need a hint?

This command tells Docker to run the hello-world image, which is a small test container.

2

Understand the Docker run command

Add the docker run hello-world command exactly as shown to your terminal to pull and run the test image.

Docker

docker run hello-world
# Confirm you typed the command correctly

Need a hint?

This command downloads the image if needed and runs it to show a confirmation message.

3

Run the Docker hello-world container

Execute the command docker run hello-world in your terminal to start the container and see the output.

Docker

docker run hello-world
# Run the command to see the output

Need a hint?

Running this command will show a message that Docker is working correctly.

4

Check the output message

Look at the output in your terminal after running docker run hello-world. It should say Hello from Docker! to confirm success.

Docker

docker run hello-world
# Observe the output message

Need a hint?

If you see Hello from Docker! in the output, Docker is installed and working correctly.