Setup Golang Project and connect to Postgresql

Show how to setup a golang project and connect to a postgress database. Also give an overview on how to set GOLANG environment variables such as GO PATH and GO BIN

Link to code:
https://github.com/jjrwus/golang_Setup/blob/master/src/myapp/myapp.go

Link to GoDOC:
https://godoc.org/github.com/lib/pq

githup to postgres packages:
https://github.com/lib/pq