How to Create and Publish a Go Module

Create a go.mod file, tag a version in your version control system, and push the code to a public repository to publish a Go module.

1. Initialize the module with a unique import path. go mod init github.com/yourusername/yourmodule
2. Tag the current commit with a semantic version number. git tag -a v1.0.0 -m "Release v1.0.0"
3. Push the code and the tag to the remote repository. git push origin main --tags

The module is now available for others to import via go get.

Publishing a Go module means making your code available for other developers to use as a dependency. You do this by creating a manifest file, marking a specific version of your code with a tag, and uploading both to a public hosting service like GitHub. It is like putting a book on a library shelf with a specific edition number so others can find and borrow it.