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Go modules

Go modules are the dependency management system for the Go programming language, introduced to define and manage the collection of packages that constitute a specific project or library^[400-devops__09-Scripting-Language__golang__introduction__part-2.json__readme.md].

Initialization

A Go module is initialized within the source code directory of the application using the go mod init command^[400-devops__09-Scripting-Language__golang__introduction__part-2.json__readme.md]. This command requires a module path, which typically corresponds to the directory name or a repository location^[400-devops__09-Scripting-Language__golang__introduction__part-2.json__readme.md].

When executed, this process creates a go.mod file, which serves as the manifest for the module^[400-devops__09-Scripting-Language__golang__introduction__part-2.json__readme.md].

Core Concepts

  • Module Path: The argument provided to go mod init (e.g., videos) defines the module's import path and is recorded in the go.mod file^[400-devops__09-Scripting-Language__golang__introduction__part-2.json__readme.md].
  • Package Structure: Modules allow developers to organize code into separate files and directories (packages), such as splitting a main application from domain logic like videos.go^[400-devops__09-Scripting-Language__golang__introduction__part-2.json__readme.md].
  • [[Go structs]]
  • [[JSON]]
  • [[Go standard library]]

Sources

^[400-devops__09-Scripting-Language__golang__introduction__part-2.json__readme.md]