Docker image

What is a Docker image. Explain in 10 points.

1. Docker image is an executable package of software that includes everything needed to run an application 2. Docker images are immutable, they can't be changed. 3. Docker images can be duplicated, shared or deleted. 4. Docker image also act as the starting point when using Docker. 5. Docker image contains appication code, libraries, tools, dependencies and other files needed to make an application run. 6. Docker images have multiple layers, each one originates from the previous layer but is different from it. 7. Docker images are a reusable asset deployed o any host. 8. Docker images has many layers such as base image, parent image, layers, container layer, docker manifest. 9. Docker image informs how a container should instantiate which software components will run and how 10.Docker image informs how a container should determining which software components will run and how