How To Build Docker Image Using Dockerfile. After creating the necessary file describing for the centos docker image build process, execute the following command. The basic syntax used to build an image using a dockerfile is:
In order to build an image in docker, you first need to set the instructions for this build on a plain text file named dockerfile and a context (more on this later). Docker image build command uses this file and executes all the commands in succession to create an image. Here are the steps we will take:
