This article describes how to use package management commands of go mod.

Project setup

go mod init github.com/YOUR_USER/YOUR_PROJECT

Fixing go.mod

This command provides deletion of unused packages and insertion of required packages from go.mod.

go mod tidy

Install packages which have dependency

This command represents installing packages with dependency resolution.

go get .

Install a package

This command represents labstack/echo installation.

go get github.com/labstack/echo/v4@latest

Update packages

This command is for updating the specific package github.com/labstack/echo/v4.

Only update the package to the latest version:

go get github.com/labstack/echo/v4@latest

Update the package with dependency packages to the latest version:

go get -u github.com/labstack/echo/v4@latest

Reference

• How To Upgrade Golang Dependencies | Golang Cafe
• Managing dependencies - The Go Programming Language