distribution/docs/handlers/helpers.go

package handlers

import (
	"io"
	"net/http"
)

// closeResources closes all the provided resources after running the target
// handler.
func closeResources(handler http.Handler, closers ...io.Closer) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		for _, closer := range closers {
			defer closer.Close()
		}
		handler.ServeHTTP(w, r)
	})
}