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Docker containerization is what, many novices are not very clear about this, in order to help you solve this problem, the following editor will explain in detail for you, people with this need can come to learn, I hope you can gain something.

What is docker containerization? The process of integrating applications into containers and running them is called "Containerizing" and sometimes called "docker" (Dockerizing).

The core idea of Docker is how to integrate the application into the container and actually run it in the container. Containers are created for applications. Specifically, containers can simplify the process of building, deploying and running applications.

Once the application containerization is complete (that is, the application is packaged as a Docker image), it can be delivered as an image and run as a container.

The complete application containerization process is mainly divided into the following steps.

1. Write application code.

two。 Create a Dockerfile that includes a description of the current application, dependencies, and how to run the application.

3. Execute the docker image build command on the Dockerfile.

4. Wait for Docker to build the application into the Docker image.

In CCS, too large a volume is not good for Docker images! The bigger it is, the slower it is, which means it is harder to use and may be more vulnerable and vulnerable.

For this reason, the Docker image should be as small as possible. For a production environment mirror, the goal is to narrow it down to include only what is necessary to run the application. The problem is that generating smaller images is not easy. Different Dockerfile writing methods will have a significant impact on the size of the mirror.

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