go.mod
file is the root of dependency management in Go. All the modules which are needed or to be used in the project are maintained in go.mod file.
Import an external Go module:
go get
e.g.go get rsc.io/quote
go mod tidy
- adds any missing modules necessary to build the current module's packages and dependencies
Run your code:
go run .
go run
.go
Get some help:
go help
or e.g.go help mod init