github.com/

Package cli provides a minimal framework for creating and organizing command line Go applications.

Package negroni is an idiomatic approach to web middleware in Go.

Package cors is net/http handler to handle CORS related requests as defined by http://www.w3.org/TR/cors/ You can configure it by passing an option struct to cors.New: c := cors.New(cors.Options{ AllowedOrigins: []string{"foo.com"}, AllowedMethods: []string{"GET", "POST", "DELETE"}, AllowCredentials: true, }) Then insert the handler in the chain: handler = c.Handler(handler) See Options documentation for more options.