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The popularity of Docker technology, surely every Internet IT technician can always feel to, indeed, in recent years, the domestic demand for Docker container technology application is more and more strong!
What exactly is Docker? Why is it so popular?
Therefore, the management of Docker containers is becoming more and more important. So, today, the elder brother of migrant worker recommends 2 kinds of awesome, cool, practical tools to everyone.
1. Explore Docker images and reduce image size!
Docker container image is a lightweight, independent, containing all the software needed to run an application executable package, so a Docker image inside will contain what things? The tool Dive is designed to analyze and browse the contents of each layer of a Docker image.
By analyzing Docker images, we can find files that may be duplicated between different layers and reduce the size of Docker images by removing them.
Dive is a free open source tool written in the Go language. The Dive tool is more than just a Docker image analysis tool, it also helps users build images.
Run a screenshot
Making:
https://github.com/wagoodman/dive/blob/master/README.md
Latest version: V0.4.1
Installation instructions:
https://github.com/wagoodman/dive/blob/master/README.md
Download address:
https://github.com/wagoodman/dive/releases
References:
https://www.oschina.net/p/dive
2. Super cool Docker terminal UI
A developer has opened source a simple terminal UI for Docker and docker-compose — LazyDocker, which has gained 2k+ star in just a few days.
Author: H4CD, source: Open Source China.
The author indicates that it is difficult to remember Docker commands, and it is almost impossible to track containers in multiple terminal Windows. Lazydocker is produced to solve this problem. It can have all the required information in a terminal window, and each common Docker command can be bound with shortcut keys. You can also add custom commands. All it takes is a keystroke or mouse click like the one above.
Lazydocker is based on GoCUI library, and the environment requires Go 1.12 version. The command is called in the terminal, such as:
echo "alias ld='lazydocker'" >> ~/.zshrcCopy the code
Specific features of LazyDocker are as follows:
-
View the state of the Docker or Docker-compose container environment in full view
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View logs for containers or services
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Look at the ASCII chart of container metrics so you can be more of a developer
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Customize charts to measure different metrics
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Attach to container/service
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Restart, delete, and rebuild containers/services
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View the ancestor layer of the given image
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Trim containers, images, or volumes that occupy disk space
Details see https://gitee.com/mirrors/lazydocker
Today’s topic
What are the most efficient management tools you use in docker containers? Or share your good experience and method of docker container management in daily work (50-100 words)? Select a message randomly selected from the message lucky reader (the next day’s headlines the first top message announced) to send any book in the list above.
Bring about
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