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This article will explain in detail how to customize the docker container, the content of the article is of high quality, so the editor will share it for you as a reference. I hope you will have some understanding of the relevant knowledge after reading this article.

How to customize the docker container image? Docker custom container image. You can use Dockerfile to create an image-docker build

Use the Dockerfile workflow

-mkdir build; cd build- vim Dockerfile- docker build- t imagename Dockerfile

Docker build syntax

Docker build [OPTIONS] PATH | URL |-

Build execution process: the first thing it needs to do is upload the Dockerfile content, because all operations are done according to Dockerfile. Then, the instructions in the Dockfile are executed one by one. Each step creates a new container, executes instructions in the container, and commits changes. When all instructions have been executed, the final mirror id is returned. All containers generated by the intermediate steps are deleted and cleaned.

Local file system import build image-docker import

To import an image from the local file system, you can use the template of openvz to create it: the template download address of openvz is templates.

1. Download an image of ubuntu-14.04, and then import it using the following command:

Sudo cat ubuntu-14.04-x86_64-minimal.tar.gz | docker import-ubuntu:14.04

2. Then view the newly imported image

Docker imagesREPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZEubuntu 14.04 05ac7c0b9383 17 seconds ago 215.5 MB

Upload Image-docker push

Upload the created image to the repository to share. Docker Hubhuo or a self-built warehouse.

Docker push image name

Store and load images

1. Save the image as a file

Docker save-o File name to be saved eg:docker save-o java8.tar lwieske/java-8 to be saved

2. Load the image from the file

Docker load-input file or docker load < file name eg:docker load < java8.tar on how to customize the docker container is shared here, I hope the above content can be of some help to you, can learn more knowledge. If you think the article is good, you can share it for more people to see.

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