Why Docker ?
Docker is a DevOps platform that is basically used to create, deploy, and run applications using the concept of containerization. With Docker, developers can pack all the dependencies and libraries of an application easily and ship it out as a single package. This helps developers and operations teams mitigate the environmental issues that used to happen before. Developers can now be able to focus more on the features and deliverables than being concerned about the infrastructure compatibilities and configurations aspect of the platform. Further, this promotes the microservices architecture to help teams to build highly scalable applications.
Through Docker, each stage of the CI/CD pipeline, such as testing, code analysis, and deployment, can be isolated within its container. This isolation enhances security, scalability, and resource efficiency. Docker images serve as the building blocks for the pipeline, allowing developers to create a standardized and version-controlled environment.
With the help of Docker containers, once an application is containerized, developers will be able to deploy the same container in a different environment. As the Container remains the same, the application will be running identical in all environments without causing any dependency confusion.
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