In the world of Docker, a Dockerfile serves as the recipe for building a Docker image. It outlines the necessary steps and instructions to construct an image that can then be used to run a container. The workflow for using a Dockerfile is as follows: first, you create the Dockerfile, then you build the Docker image using the docker build command, and finally, you run a container from the created image....
Once you have completed the Docker installation on your system, you’re ready to take your first steps in creating and running Docker images and containers. This guide will walk you through the process. To begin, you can either run the commands directly in the built-in terminal or use your own shell. Here’s how I prefer to do it on macOS: Open the macOS Terminal. Navigate to your desired directory (e.g., cd dev) and create a subdirectory called docker to host your Docker experiments (mkdir docker and cd docker)....
A Docker image serves as a foundational blueprint for a container. It is the starting point for everything in Docker. When you instruct Docker to create a container from an image using the docker run command, Docker performs various operations such as setting up the file system and initializing dependencies to create the container. Images are constructed using a Dockerfile, which can be processed using the docker build command. These images can be stored locally or published on Docker Hub, a Docker registry....