go get -u github.com/labstack/echo/...
URL (https://echo.labstack.com/guide)
go run sample2.go
go run sample2-1.go
http://localhost:1323/users/sasanori
go run sample2-2.go
http://localhost:1323/show?team=team1&member=sasanori
go run sample2-3.go
http://localhost:1323/send?name=sasanori&email=test@example.com&message=test message
or Postmanを利用