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golang assembly and deployment

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2023-05-16 14:12:38450browse

With the continuous development of Internet technology, more and more enterprises are beginning to use cloud technology to deploy and manage their own systems. In this process, an efficient deployment solution can help enterprises improve operation and maintenance efficiency, reduce deployment costs, and also improve system reliability and scalability. As one of the most popular programming languages ​​at present, golang's assembly and deployment solution has also attracted much attention. Today we will learn about the relevant knowledge of golang's assembly and deployment.

1. The basic architecture of golang program

Before starting the assembly and deployment of golang, we first need to understand the basic architecture of golang. Normally, a golang program can be divided into the following parts:

  1. main function

The entry function of the golang program, the program starts execution from here.

  1. Command line parameter analysis

Configure the program through command line parameters, such as port number, log path, etc.

  1. Initialize the configuration file

Load the parameters in the configuration file, usually some information like database connection, Redis configuration, etc.

  1. Start the Web server or service process

Start the program's Web server or service process according to the configuration information.

  1. Process the request and respond to the data

Process the corresponding business logic according to the request and return the data to the client.

  1. Execute scheduled tasks or background tasks

Execute some background tasks or scheduled tasks according to the configured time or event.

  1. Exit the program gracefully

Before the program exits, resources need to be cleaned and recycled, and relevant log information needs to be recorded.

2. Assembly and deployment of golang

For a standard golang program, we can use the following methods to assemble and deploy:

  1. Compile golang source code

Use golang's tool chain to compile the source code and generate an executable file.

  1. Packaging program and related resources

Package the executable file and its dependent library files into an executable program, and then package the program's resource files and configuration files , static files, template files, etc. are packaged into a resource package.

  1. Use container technology for deployment

Use container technology (such as Docker) to deploy and manage programs. Normally, we can use a base image and then build our own program image on this image. In the image, we can define environment variables, startup scripts, exposed ports, etc., to facilitate program startup and management.

  1. Use Kubernetes for automated deployment and management of containers

Use container orchestration tools such as Kubernetes to automatically deploy, scale and manage containers. Using Kubernetes, you can easily centrally manage containers, monitor the running status of containers, and automatically scale and upgrade containers.

  1. Use CI/CD for continuous integration and deployment

Use CI/CD tools and source code management tools (such as Gitlab) to achieve continuous integration and deployment based on Gitlab deploy. The CI/CD service is triggered through Gitlab's webhook, and automated construction, testing, packaging, deployment and other processes are performed in the CI/CD service to achieve fast and efficient continuous integration and deployment.

3. Optimization and debugging of golang programs

When assembling and deploying golang programs, we also need to pay attention to some optimization and debugging issues. The following are some common questions:

  1. Optimize the concurrent processing capabilities of the program

Golang’s coroutines and pipelines are very powerful concurrent processing tools, try to use them in the program Coroutines and pipelines are used for concurrent processing, thereby improving the processing capabilities of the program.

2. Use the goroutine pool to avoid frequent creation and destruction of coroutines

The creation and destruction of goroutine requires certain resources. If the creation and destruction of coroutines in the program is relatively frequent, you can use goroutine pool to avoid this situation.

3. Optimize the cache processing capability of the program

The sync.Pool provided by golang can easily implement object pooling, thereby reducing the pressure on the GC and improving the cache processing capability of the program.

4. Avoid using global variables as much as possible

The use of global variables will affect readability and maintainability, and may also cause concurrency security issues, so try to use it as much as possible in the program Avoid using global variables.

5. Use distributed debugging tools for program debugging

When debugging programs, we can use distributed debugging tools (such as Golang Delve, GoLand) for remote debugging, which is convenient to locate and repair the program.

4. Summary

In this article, we introduced the assembly and deployment of golang, program optimization and debugging. Through the above learning, we can understand the basic architecture of golang programs and efficient and automated deployment and management using containers, Kubernetes, CI/CD and other tools. At the same time, we also need to master the methods of optimizing and calling programs to better cope with different scenarios in practical applications.

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