Building Docker Images 1.About Docker Images In the world of modern software development, Docker has become a powerful tool for packaging, deploying, and running applications in lightweight, portable containers. It allows developers to bundle an application along with all its dependencies into a single unit called a container, ensuring that it runs smoothly on any system—whether it’s a local machine, test server, or cloud platform. Docker can automatically build images by reading a set of instructions written in a file called a Dockerfile. This automation not only simplifies the deployment process but also ensures consistency across different environments. Interestingly, Docker originated from a platform-as-a-service company called Dotcloud in 2013. What began as an internal tool eventually evolved into a revolutionary open-source technology. Today, almost every major company uses Docker as a part of their...
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