Practice Exercise 1:

Objectives

Run a Docker container with nginx

Scenario

You want to move from running services locally on Linux to containerized services using Docker instead.

Tasks

• Connect to the web2 instance
• Ensure that your Flask app is not running
• Pull the nginx Docker image

  docker pull nginx
  

• Run a Docker container based on the image you pulled:

  docker run -d -p 80:80 nginx
  

• Access the service by visiting <NAME>-a1t-inf-ds-web2.acad.opswerks.net, you should see the default nginx web page.
• List all containers:

  docker ps -a
  

• Stop and delete the container:

  docker stop <container_id>
  docker rm <container_id>
  

Bonus points

• Create a Docker container using a custom solution Hint: Utilize a Dockerfile

Conclusion

In summary, through this activity, you've gained practical knowledge in the basics of containerization and running services using Docker on a Linux system. Containers provide a powerful way to encapsulate, deploy, and manage applications, and these skills will be valuable for various IT and development tasks in the future.