What exactly is a base image in Docker?

Question

What exactly is a base image in Docker?

Answer 1

In Docker a base image is what your current image is built on top of. If you start with a CentOS image then add apache and nginx on top to create a web server image then the CentOS image is the base. Let’s suppose I built something on top. Now someone in my team takes the web server image and installs a few applications on it . Now, they have started with my image as their base image. If you want to know all the concepts about docker in-depth regarding and to grab a valuable certificate in it.you can have a look at the following Docker Training Course. If you like to read then you can read the following tutorial on Docker. To watch the free video tutorials on Docker you can visit the below-mentioned website:-