go mod tidy cleans up unused dependencies or adds missing dependencies. go mod vendor copies all third-party dependencies to a vendor folder in your project root.

What does go mod vendor do?

The go mod vendor command constructs a directory named vendor in the main module’s root directory that contains copies of all packages needed to support builds and tests of packages in the main module. Packages that are only imported by tests of packages outside the main module are not included.

What is go pkg mod?

What is Go Module. A Module is a collection of Go packages stored in a file tree under $GOPATH/pkg folder with a go. mod file at its root. This file defines the module’s path, which is also the import path used for your project, and its dependency requirements, which are the other modules needed for a successful build.