Set `GOPATH` variables in zshell, fish or bash.

.bashrc

# Set variables in .bashrc file

export GOPATH=$HOME/golang
export PATH=$PATH:$GOPATH/bin

.zshrc

# Set variables in .zshrc file

export GOPATH=$HOME/golang
export PATH=$PATH:$GOPATH/bin

README.md

Here are couple of resources for more knowledge

• https://sourabhbajaj.com/mac-setup/Go/

config.fish

# Set variables in config.fish file

# GOLANG configurations
set -x GOPATH $HOME/golang
set PATH $GOPATH/bin