Docker Certified Associate Certification Training Course - Publishing Image to Docker Hub

The video tutorial explains how to create a Docker image using a Dockerfile and verify it through various mechanisms. It covers the process of publishing or pushing the image to Docker Hub or other registries, emphasizing the importance of logging in using the Docker login command before pushing. The tutorial demonstrates pushing an image to a pre-created repository and highlights the significance of image versioning and tagging.

What is the primary purpose of using a Docker file?

• To create and verify Docker images

• To manage Docker containers

• To deploy applications on the cloud

• To monitor system performance

Which command is essential before pushing an image to Docker Hub?

• docker build

• docker login

• docker run

• docker stop

Which of the following is a registry where Docker images can be pushed?

• AWS S3

• Docker Hub

• GitHub

• Google Drive

What must be done before pushing an image to a Docker repository?

• Run a Docker file

• Build a container

• Install Docker

• Create a repository

What is the significance of tagging in Docker images?

• It helps in version control

• It reduces deployment time

• It increases image size

• It speeds up the build process