Golang private library construction

With the popularity of Golang, more and more companies and developers are beginning to use Golang for development projects. However, as the scale of the project continues to expand, the lack of private libraries will cause problems such as confusion in the code base, incorrect dependencies, duplication of code, and even difficulties in collaborative development. Therefore, in order to solve these problems, this article will introduce how to build a private library in Golang.

1. Why build a private library?

First of all, we need to clarify the definition and role of private libraries. A private library is a code warehouse maintained by an enterprise or individual. Its role is to maintain the company's internal public code library, including internal components, tools, frameworks, etc. Building a private library can ensure the security and maintainability of the code, making the project development model more standardized, easier to manage and collaborative development.

Specifically, building a private library can also bring the following benefits:

1. Facilitate code sharing

For multiple projects, different teams may There will be the same code that needs to be used, and these same codes will be copied and pasted over and over again, resulting in code duplication. But if there is a private library, the code can be reused in multiple projects after being encapsulated, reducing the amount of code and less duplicate code.

2. Improve code maintenance and reuse

When building a private library, the code can be encapsulated, making the code more standardized, structured, and easier to maintain and repeat. use. This allows developers to better manage and manage the code base.

3. Improve code security

Private libraries are only used by internal personnel of the enterprise and will not be exposed to the public platform, so code security is well guaranteed . If these codes are exposed to the outside, they may be used by criminals, affecting the security of enterprises and even individuals.

2. How to build a private library?

Before you start building a private library, you need to consider your warehouse hosting options. There are currently two mainstream private library hostings: GitLab and Gitea.

1. GitLab

GitLab is a Git warehouse management tool based on a web interface, which can manage both public and private libraries. Currently, GitLab is the most widely used in enterprises.

The method of installing GitLab is very simple, you only need to run the relevant commands on the server. I won’t go into details here.

After the installation is complete, you can create a new private library. Enter the project management page of GitLab, click Projects-->NewProject, and after filling in the basic information of the project, you can create multiple branches under the warehouse to manage and maintain the packaged code.

2. Gitea

Gitea is a self-hosted Git service that contains most of the functions of GitLab and is simpler to install and configure. Similarly, you can also use Gitea to build a private library.

For specific installation and usage methods, please refer to Gitea’s official documentation.

3. How to add code to a private library?

After the private library is created, code needs to be added to it. There are two ways to add code: manual addition and command line addition.

1. Manual addition

Manual addition is to copy the code you wrote directly into the created warehouse. This method is simple and direct, but if you add a lot of code, it will be more time-consuming.

2. Command line addition

Command line addition can be operated using the git command. First, you need to clone the private library locally, enter the clone to the local folder, and use The following command can upload local code to a private library.

git add .
git commit -m "添加代码"
git push origin master

This method can quickly and easily add code to a private library.

4. How to use the code in the private library?

After creating a private library, you can use the code in it during development. There are two ways to use private libraries: local installation and remote reference.

1. Local installation

Local installation is to download the private library code to the local, and use the local path reference when using it. This method is easy to use, does not require an Internet connection, and is very fast.

The steps are as follows:

1) First clone the private library code to the local

git clone 私有库地址

2) Use the go mod command to install the private library

go mod edit -replace 私有库地址=本地路径
go mod tidy

when needed When using the code of a private library, just import the private library address in the code.

2. Remote reference

Remote reference is to access the code in a private library through the network, and network connectivity is required for reference. This approach is suitable for those open source projects or public code bases, but not suitable for internal enterprises.

The steps are as follows:

Use the go mod command to install the private library
go mod edit -replace private library address=gitlab.com/xxxx/xxxx

Just import the private library address in the code that needs to use the private library.

5. Summary

This article introduces the method of building a private library in Golang, and explains in detail the benefits of building a private library. It also introduces methods of adding and calling code in private libraries. I believe that after reading this article, readers can quickly build a private library of their own to better manage and maintain the code.

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