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What is the advantage of stack, I believe that many inexperienced people are helpless about this, this article summarizes the causes and solutions of the problem, through this article I hope you can solve this problem.

Stack defines the service, dependent secret, voluem and other resources contained in the application, as well as the relationship between them in a YAML file. Stack has obvious advantages over manual execution of commands or scripts.

YAML describes What the stack will eventually reach.

How many copies of service are there? Which image to use? What is the mapped port? The script describes how to execute commands to achieve this state, i.e. How. Obviously, What is more intuitive and easier to understand. As for how to translate What into How, that's Docker swarm's job, and users just have to tell Docker what they want to achieve.

Deploying applications repeatedly becomes very easy.

Everything you need to deploy your app is already written in YAML, and you can deploy it with a single command docker stack deploy. This self-contained nature of stack makes it extremely easy to deploy applications in different Docker environments. Deployments in development, test, and build environments can take exactly the same copy of YAML, and the results are consistent every time.

Deployments can be managed like code.

YAML essentially codifies the deployment of an application, and any modifications to the application deployment environment can be implemented by modifying YAML. YAML can be managed in a version control system, any changes to YAML are recorded and tracked, and code reviews can even be performed on YAML like code reviews. Application deployment is no longer a black box, nor is it the exclusive skill of experienced engineers, so the details are clearly visible in YAML.

After reading the above content, do you know what the advantage of stack is? If you still want to learn more skills or want to know more related content, welcome to pay attention to the industry information channel, thank you for reading!

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